Sunday, September 30, 2012

History of Microscopes

Hans Janssen and Zacharias Janssen are held to be the inventors of the microscope, agreeing to the recorded letters of the Dutch envoy, William Boreel. The invention was nearby the year 1595. Galileo Galilei industrialized a combination microscope using a convex and a concave lens in the year 1609. The formulation of Christian Huygens in the 17th century, the uncomplicated 2-lens ocular law with achromatic correction is beloved even today. Anton van Leeuwenhoek popularized the functionality of the instrument among the biologists and the credibility, the "Father of Microscopy" is generally awarded to him. Leeuwenhoek made his preponderant particular lens microscope in the year 1673.

During the beginning years of invention, the microscope was a toy in the rich houses. The first indispensable discovery using microscopes was about the circulating blood law of the human body. It then led to many indispensable discoveries for mankind. The steps such as the correction of rotund aberration, use of achromatic lenses etc were appreciated while the 1820's. August Kohler introduced the microscope lamp with filters in 1880. He also finalized the condenser position to provide the best image projection. The law of the microscope was published by Ernst Abbe in 1873. In the same year, Ernst Leitz introduced the microscope with a revolving mount for 5 objectives. The oil immersion lens was used from the year 1878, and the apochromatic objective was introduced into microscopy by Ernst Abbe in1886.

Microscope

The first commercial Uv microscope was presented by Zeiss in 1904. In 1930, Fritz Zernike invented the phase dissimilarity microscope, which helps to study transparent living things. The revolutionary Tem electron microscope of Ernst Ruska and Max Knoll was introduced in 1931 and the scanning electron microscope was evolved later in 1937. Yet someone else milestone in the history of microscopes is the scanning tunneling microscope invented in 1981 by Gerd Binnig and Heinrich Rohrer, which help to visualize the atomic level 3D structure of objects. The scanning laser confocal microscope was commercially available from 1983.

History of Microscopes

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Wednesday, September 26, 2012

Knowing The Basics Of Carbon Fiber Tubes

When a confident application is requiring for a material that was trusted in its strength, rigidity and light weight reinforcement, nothing can stand in the way of carbon fiber tubes. Roughly anywhere we go, we see assorted applications of this composite material. A great deal of supply of this material was used in different areas and applications due to its stiffer structure. More industries now prefer composites rather than other metals they once trusted like aluminum and steel. Applications of this material assorted from the most easy to the most intricate. We have seen the engagement of this in engine rollers used for papers; manufacturing equipments for textile and plastics; to the more complex things like the microphone booms, movie camera, annex poles, covered awnings and even sonar equipment.

But where does the carbon fiber tube get its extraordinary strength-to-weight ratio? A tube was made up of many carbon fibers. Each filament thread was made up of a thousand more carbon filaments. This comprises of Roughly carbon entirely. Added power of the material was brought about by the tiny crystal alignment which spun the fibers together. Then, these fibers can be weaved together to form a yarn and in turn makes a fabric out of it. This is rolled over to form a tube which is then ready to use for many applications.

Microscope Camera Usb

Though the material is somewhat more costly compared to metals, still, its many applications can be felt across the earth. In fact, we see a growing quiz, of this composite applied to assorted fields like automotive and aerospace. Then, it is also applied to bicycles, motorcycles and sailboats. Over additional developments, people think of ways to apply this material into personal gadgets like laptops, Xbox cases, wrist watches, and Usb, to name a few. In music, it can be applied into cases and bodies of stringed musical instruments, guitar strings, and drum shells. In sports, it has been a beloved choice applied to golf clubs, cues for pools and billiards, fishing rods, archery equipments, paintball equipment, and racquet frames.

There are different processes for manufacturing this composite, depending on the design, the finish, and volume. For easy and few easy pieces, some use vacuum bag. Carbon fiber is polish, waxed, and then applied by a issue agent. The vacuum is then pulled and then set aside, ordinarily in a day or two, to give time for the piece to harden. Someone else easy formula is the use of the compression mold.

If we know the basics about carbon fiber tubes, we will good understand the wide range of its contributions and applications just to make our lives easier.

Knowing The Basics Of Carbon Fiber Tubes

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Tuesday, September 25, 2012

Check Out OMAX 40X-2000X Lab LED Binocular Compound Microscope with USB Digital Camera and Double Layer Mechanical Stage for $279.95


OMAX 40X-2000X Lab LED Binocular Compound Microscope with USB Digital Camera and Double Layer Mechanical Stage Overview

Packing List: Binocular microscope with 4 DIN objectives;Eyepieces: a pair of WF10X and a pair of WF20X;A bottle of Immersion oil;AC adapter (US and Canada standard);Dust cover;Color filters;USB digital camera 640x480 with 0.45x built-in reduction lens;1 CD including driver and processing software applications

OMAX 40X-2000X Lab LED Binocular Compound Microscope with USB Digital Camera and Double Layer Mechanical Stage Review



OMAX 40X-2000X Lab LED Binocular Compound Microscope with USB Digital Camera and Double Layer Mechanical Stage Feature

  • High quality professional optical glass elements
  • 45degrees;inclined 360degrees;swiveling binocular head
  • 640x480 high resolution digital camera with built-in 0.45x reduction lens (approx. 15x equivalent eyepiece magnification)
  • Easy USB connection with computers. Software included
  • 8 levels of magnification: 40x-80x-100x-200x-400x-800x-1000x-2000x
  • 4 achromatic objectives DIN 4x, 10x, 40x(S), 100x(S,Oil)
  • 2 pairs of eyepieces: WF10X and WF20X
  • Sliding interpupillary distance adjustment
  • Ocular diopter adjustable on both eyetubes
  • Variable intensity illumination
  • Coaxial coarse and fine focus adjustment
  • Focusing knobs on both sides
  • Stage upward moving lock protects objectives and slides
  • Stain-resistant double layer mechanical stage
  • NA1.25 Abbe Condenser with iris diaphragm and filters
  • Rack and pinion adjustment condenser
  • Image Capturing; Video Recording; Live previewing; Processing and Mearsuring
  • Product GS and CE approved; Manufacturer in business 30+ years

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Sunday, September 23, 2012

AmScope 40x-2000x Biological Binocular Microscope + USB2.0 Digital Camera

AmScope 40x-2000x Biological Binocular Microscope + USB2.0 Digital Camera Review


$1520.7

AmScope 40x-2000x Biological Binocular Microscope + USB2.0 Digital Camera Feature

  • Professional eight magnification settings from 40X to 2000X
  • High quality optical lenses and Abbe condenser with iris diaphragm
  • Sturdy metal framework and double layer mechanical stage
  • High resolution USB2.0 digital camera with 0.5x reduction lens
  • Advanced editing & measuring software compatible with Windows XP/Vista/7 and Mac OS 10.6 & up

AmScope 40x-2000x Biological Binocular Microscope + USB2.0 Digital Camera Overview

This is a professional binocular microscope with NEWEST GENERATION of high quality digital camera. It is designed for teaching demonstration, clinical examination and research purpose. It comes with a 30° inclined 360° swiveling compensation free binocular head, 3D mechanical stage and an intensity-variable halogen illumination system. This microscope offers eight levels of magnification, 40X, 80X, 100X, 200X, 400X, 800X, 1000X & 2000X. The digital camera captures 640x480 pixel microscope images and streams real-time live video on your computer screens. It comes with a built-in reduction lens, user-friendly software, and adapters, compatible with Windows XP/Vista/7 and Mac OS 10.6 & up. With life-time free upgrading, the multi-functional user-friendly software allows you to preview live images, record videos, capture still pictures, edit captures, or save them in BMP, TIFF, JPG, PICT, PTL and other formats very easily, as well as conduct length, angle, area, and other measurements. This microscope is versatile, ready for various accessories and attachments for extra features. It is made by the same technicians and on the same production line that makes optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory sealed box. Its retail value is 00.

*** Product Information and Prices Stored: Sep 23, 2012 10:00:07
$279.30

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Friday, September 21, 2012

Types of Microscopes

Microscopes range from the uncomplicated singular lens microscope to the sophisticated ones with imaging systems. Microscopes differ on the basis of their resolution, magnification, illumination method, type of image, field of view, degree of automation etc.

Depending on the radiation source, microscopes can be broadly classified as light, electron and confocal. Light microscopes apply illustrated light as the radiation source. Light microscopes can be again classified into stereo microscopes and composition microscopes. Stereo microscopes are commonly known as dissection microscopes, which can supply a 3-dimensional view of the object. composition microscopes supply a 2- dimensional view of the objects that can be used for laboratory purposes. Phase disagreement microscopes and dark field microscopes modify the theory of light microscopy to improve optical ability of the specimen. Oil immersion microscopes use oil between the lens and specimen to growth the magnification.

Microscope

Electron microscopes are sophisticated types, which use a stream of electrons as the radiation source instead of light. These can ensure higher levels of magnification and are used effectively in the fields of geology, medicine and archaeology. Transmission electron microscope is used to magnify the internal details of a specimen using an electron beam. The 3 dimensional image of the specimen's exterior can be analyzed using scanning electron microscope. Scanning transmission electron microscope is a modification of Tem, which scans the object at a faster rate. Confocal microscopes are very automated, and apply laser as the radiation source. Fluorescence microscopes excite the dyed specimen with singular radiation to supply a brighter image.

Scanning probe microscopes are a group of microscopes, which form images by scanning the specimen using a physical probe. Scanning probe microscopes in general contain scanning tunneling microscopes, atomic force microscopes, near-field scanning optical microscopes etc. These have great applications in nanotechnology. Microscopes based on magnetic force, microwave, acoustics etc are also available. The inference microscope is used with perfectly transparent objects that are indiscernible under an commonplace microscope.

In day-to-day use, microscopes are classified on the basis of the amount of their lenses, i.e., monocular, binocular and trilocular.

Types of Microscopes

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Thursday, September 20, 2012

Mantis Elite-Cam Adds Image Capture to the Mantis Microscope

The Mantis Microscope has been a mainstay in the world of circuit board inspection and potential operate for nearly 20 years now. But one thing has been missing - the potential to document your work. This single missing element has sometimes turned purchasers away from the Mantis and towards lesser devices, as the need to document their efforts is sometimes a basic requirement, especially when performing inspection for outside customers. That all changed earlier this year with the introduction of the Mantis Elite-Cam.

When a stereo microscope and a bench magnifier have a baby, it is a Mantis. The special patented establish has allowed generations of electronics assemblers and inspectors to spend their days in ergonomic ease, while providing increased productivity for their employers.

Microscope Camera Usb

The new Mantis Elite-Cam will take a wide range of lenses, from 2x on the low end, all the way up to 20x for of course fine work. Most operators choose a 4x or 6x and combine this with a 10x or 15x. This allows you to do rework with the lower magnification lens, and switch over to the hi-mag lens for subsequent inspection of your circuit board.

The new high-resolution camera is built right into the viewing head and greatly expands the range of uses. Far more than just in inspection device, the Mantis now crosses over into documentation and even training... Ryan Springell designed the new machine, and he shares his beliefs concerning the reception the Elite-Cam will receive:

"Over 150,000 Mantis stereo microscopes have been sold worldwide, mainly because of its ergonomic advantages and excellent optics. However changing times means we need to furnish our customers with visual solutions that meet with their perfect requirements. With most of the Mantis systems sold into potential and production, it is considerable they are able to quickly and of course recap their findings to their colleagues. The Mantis Elite-Cam delivers all of the original advantages for inspection with the benefits of simultaneous visual and digital viewing with digital image capture capabilities".

The unit's head is delivered assembled - just take the premise sealed assembly out of the carton, and attach it to the Mantis base with the included two bolts. Now you're ready to save images in Bmp, Jpeg or Png files. Connectivity is a snap as well: Just pop the included cable into a Usb port and you are ready to go.

Mantis Elite-Cam Adds Image Capture to the Mantis Microscope

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Tuesday, September 18, 2012

Macbook Pro 2011 15 Inch characterize

The rumor mill ran wild following the very thinkable, Macbook pro refresh. Liquid metal, appropriate Ssds, higher-res, updated compose were among the false reports. What has changed any way are the internals. Questions like: is this model worth upgrading to, or should I wait for the new model, will be answered in this article. Let's start with the changes.

Hardware

Microscope Camera Usb

The model under the microscope is the high-end 15" model, which contains a 2.2ghz Sandy Bride quad core i7 processor, 4gb ram and a 6750m from Amd. That's a big upgrade from the old generation. I've also opted for the high-res screen, which is a given in my (mac!)book. *pun intended*

Apart from the high-end 15" Macbook pro, Apple also offers two 13" models and a singular 17" machine. Over the board each model enjoys a faster processor, faster ram and thunderbolt.

The latter is very absorbing and a first for any laptop on the market! I'm indubitably not going into too much information about it but basically it's Intel's retort to Usb. The association is capable of transferring video, audio and data, all simultaneously at very high speeds. That means that a Dvd movie will change to external warehouse in about 6 seconds once supported hardware comes out.

When choosing in the middle of models comprehend that the 13" models all share an Intel Hd 3000 graphics as sole provider. This is a source of disappointment for gamers out there because the chip is pretty weak for modern games. The smaller models also use the gaps in the middle of the keys as speaker holes and lack a subwoofer; expect a slightly more tin sound.

The 17" model has a 1920×1200 display and similar specs to the 15" Macbook pro. This is both a good and bad thing. The good thing is that you'll have slightly more screen real estate but gaming on native resolution will certainly struggle.

Body

As noted Apple has retained its supreme unibody compose for this generation of Macbooks. I don't think this a bad thing. Built from a singular piece of aluminum, this laptop is very scratch defiant and clean looking. My old Macbook Pro (same design) certainly withstood the test of time. (not a singular scratch!)

In my view this is the best seeing laptop apart from the Macbook Air. Its compose is very symmetrical. Everything is exactly where you'd expect it to be. Like how the speaker holes match the vertical space used by the keyboard keys. The width of the hinge also perfectly matches the horizontal keyboard space. Using a blend of black and silver, Apple managed to create something very aesthetically pleasing. any way I'd have loved to see some Macbook Air elements take over. The battery indicator for one seems unnecessary to me and the Dvd super drive is bound to disappear. Guess we can expect those changes in a redesign later on.

Still the Macbook Pro 2011 is among the sturdiest and best seeing laptops out there, a real winner!

Display

The 15" model comes appropriate with a resolution of 1440×900. This can be upgraded to 1680×1050, something every person should do. Apple uses a high-end Tn display, so still no Ips unfortunately.

The viewing angles are decent. It's possible to read text and distinguish details at any angle. However, inevitably, the screen washes out from the sides, especially grays become yellowish; consideration the app store panel lines. I also noticed that the screen has a weak-spot for lower and upper angles. Even at a small degree colors started to fade. This is why we want Ips panels, they're just noticeably good at this. Still the Macbook Pro has one of the good screens out there. Colors indubitably pop and the pixel density feels just right. Habitancy seeing for ultra-realistic color reproductions will have to look at production screens, what else is new?

For the first time ever Apple managed to jam a Hd facetime camera into the slick display. This is a logical step in the evolution of video calling in the middle of Apple devices. To test this I called my laptop using the iPhone 4 and configured the facetime app.

Calling is easy and direct. Simply click a phone amount or e-mail in your contacts and the system will attempt to set up a facetime call. This process can sometimes take a puny longer depending on the network, but after the first process it's commonly a plane ride. The image is crisp and pleasing; but without being overwhelming. The image is still soft, and comparable to Logitech solutions at best. Still for such a small camera that's a solid achievement.

Benchmarks

Now it's time to put the internals to the test. This is Apple's fastest notebook contribution so my expectations were sky high. First thing I wanted to have a look at is the battery. Apple advertises 7 hours of battery for every Macbook Pro model it offers. That's down from 8-10 hours for the old generation. Most of this is probably due to the faster processor and a new way of testing that supposedly good represents real world results.

I fully expensed the laptop and left the settings at default. The radiance sensor was turned on for more realistic results. During the test I used everyday apps like Microsoft words and Safari. To mix things up some light 3D work was thrown into the mix.

6 hours battery recorded

Very decent results. It's still not at the point of an entire workday but does very well especially inspecting it has a thirsty quad-core working at all time. Macbook Air is king in the battery department.

Geekbench

This favorite mac-benchmarking tool is often used as appropriate to infer hardware speed. Unfortunately the free version only runs in 32bit, so the greatest speed should be a bit faster even. Mind you: the other macs also ran in 32bit mode.

2010 model: 5395

2011 model: 9981

So for the Habitancy still in doubt whether this speed bump is considerable; here's your answer. It's roughly twice as fast!

Xbench

This free benchmarking tool is a great way to get a clear photograph of the machine. Not only does it give a score, it also compares the vigor and weaknesses of each mac. To forestall incidental scores, this test was run three times and averaged out the following score.

2010 model: 228 - 218 - 486

2011 model: 387 - 248 - 758

The Macbook Pro outperformed its predecessor easily. The cpu score increase may not look like much, but the i7 was already a screamer and to make a 30 point jump over that is a lot. Also inspecting that the dual core → i7 gap is equally large.

Application test

The time it takes to commence an app is indispensable for a allowable user experience. The Air does indubitably well at this so I used it as the benchmark. The Macbook Pro comes with a new generation of 750gb 5400rpm drives. The extra data density and most recent Seagate technologies should give it the edge over old Pro-models. But how close can it get to its Ssd quick thinner sister?

Both machines woke from a cold boot when they put down these scores. It looks like the Macbook Air is 2-3x faster. Now some smaller applications:

Macbook Air:

iTunes: 2 sec

iPhoto '11: 4 sec

Words '11: 4 sec (8 sec incl template)

Macbook pro:

iTunes: 4 sec

iPhoto '11: 9 sec

Words '11: 7 sec (17 sec incl template)

Quite a variation and it's noticeable. Having used both machines sometimes the Pro feels slower. I should note that once applications have been opened, speeds do enhance a lot. Occasion up Photoshop for a second time only takes 4 seconds. But from a cold boot the Air conquers all. Luckily users are free to upgrade the Ram and warehouse later on as Ssd prices continue to drop. I can't wait!

700mb video conversion

Now this one is a biggie. Let's see how Intel's Sandy Bridge fairs in a pure processor oppressive task; converting a movie to the iPhone format. To test this I installed a video converter from iSkysoft and loaded up a 700mb.avi movie. Settings were left at default and the target file was set to "iPhone 4, mp4", with 640×480 pixels.

Macbook Air: 50 minutes (time to complete)

Macbook Pro: 10 minutes

Now mind you the Macbook Air has a 1.86ghz dual core processor compared to the Sandy Bridge quad core i7 2.2ghz from the Pro model. That's two generations behind and lacking two extra cores; it shows. This is the vigor of the current Macbook Pro generation; it indubitably is a portable workhorse. It should also be shared that the Macbook Pro's processor kept a 20 ~ 25% margin at all time, whereas the Air kept pushing its limits.

Gaming

This singular model comes qualified with a Radeon 6750m 1gb Gpu. That's up from the Nvidia 330m 512mb present in old Macbooks. Now it's time to see how much variation a year makes. Games were whether tested in Mac natively or under Bootcamp (windows 7, 64bit).

Crysis

Released in 2007, Crytek had set the bar for hardware for many years now. And still new products struggle to run the game at whatever beyond 1920×1080 res. I first attempted a run at 1024x 768 pixels, comparing it to last year's outing.

Macbook Pro 2010: 41fps (medium)

Macbook pro 2011: 57fps (medium)

That's pretty good and I indubitably got a puny daring. So I upped the resolution to 1670×1050 (native, Bto), and ran the same tests.

Macbook Pro 2011 (native resolution, high): 23

Using the native resolution some gamers may want to divert to medium settings. Still for a laptop these are indubitably decent scores!

Company of heroes

Games like Coh have turned out to be real classics. Playing skirmish is still a blast and because the game is from 2007, high settings should be on the cards. I turned every dial to maximum and held my breath.

Minimum: 1.8fps

Average: 65fps

Maximum: 132

For no apparent reason, enterprise of Heroes can be run at full and the game still looks terrific. The minimum was 1.8fps, but upon further investigation this only happened once for a split second. So seemingly the system was doing something in the background which caused some momentarily instability.

F1 2010

Codemasters' most recent racer. I used the most recent 1.01 patch (Dx11) and the internal benchmarking tool, which includes a full grid lap around the Silverstone circuit. Remember that Dx11 settings are only used in the ultra range.

1680x1050 2xAa

high: 42fps average

ultra: 20fps average

The game carrying out is indubitably good for a midsized laptop. It should be said though that the fan speed went pretty wild During some of the peak moments. In fact sometimes they sometimes hit 2500+rpm for seemingly no reason. Here are the temp and decibels produced, according to internal readings and an iPhone decibel app.

Temps, fans, noise

To get a good reading I played Civilization 5 (mac native, though lazy port) for a few hours and kept steady track of the db throughout. The ambient was dead silent apart from some occasional cars/talks etc. I cut those out and calculated the average.

38db - 46.3db. With an mean of 42.6db. This may or may not ring any bells, but in human language; the fans were audible but stayed in check. They would be too loud for a dramatic scene in a movie, but gameplay wise it's fine.

The fans didn't start kicking in until about 20 minutes into the game, after which they remained steady at about 2700rpm each. Temps clocked at the following:

Intel Cpu: 67 degrees Celsius (idle: 46) | or 153 Fahrenheit (idle: 115)

Amd Gpu: 65 degrees Celsius (idle: 45) | or 149 Fahrenheit (idle: 113)

This again may or may not tell a lot but in any case the Macbook wasn't complaining and the case felt warm at best. Note though that it's early spring now and things could be distinct mid-June. But from sense I think everything's just fine.

Conclusions

The Macbook Pro 2011 is a great upgrade over the old models. Most changes are internal and it shows. The speed increase is pretty dramatic, manufacture this the first real portable "Mac pro". It comes at a price though. The spectacular, unibody compose sometimes struggles to keep the hardware at bay. It should also be noted that they're still very high-priced and that users with shallow pockets could be forced into using Intel graphics. Not a great thing for a 00+ laptop. This singular model any way is as good as it gets; despite, in Apple world, now seeing like the run of the mill.

Now to retort your questions. For me 2010 Macbook pro owners shouldn't feel rushed to upgrade, in fact 13-inch gamers shouldn't at all. And yeah you could wait for a redesign, it's always possible. But choosing to wait at the starting of a stock cycle seems like a silly thing to me. It's like saying: yeah I'll wait for the next model 'cuz it will have Everything I could wish for. The thing is; that may or may not be the case but think this: the model after that will be even better. So buy it now (just launched) if you want/need it.

score 4.5/5

Macbook Pro review

Macbook Pro 2011 15 Inch characterize

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Monday, September 17, 2012

Great Price SE MW10087L for $3.49


SE MW10087L Mini Brass Microscope with Illuminator Review



SE MW10087L Mini Brass Microscope with Illuminator Feature

  • Power 45X, 2 LED Lights, Adjustable Focus
  • Requires 3 LR927 (AG7) Batteries (Batteries Included)
  • Leather Carrying Pouch Included
  • Microscope Size: (1 5/16-Inch extends up to 1 5/8-Inch by 9/16-Inch Dia. Led Light Size: (15/16-Inch by 9/16-Inch Dia.
  • Made In China

SE MW10087L Mini Brass Microscope with Illuminator Overview

45x LED Illuminated Pocket Microscope with Storage Case. Illumination provided by two LEDs. Microscope can be separated from LED Illumination assembly. 1 7/16-Inches in length, 1 3/8-Inches wide, 9/16-Inch in thick. Requires three LR927 batteries, which are included.

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Saturday, September 15, 2012

The Many Disadvantages of Reverse Osmosis Water treatment

What are the disadvantages of reverse osmosis? They are many. Does reverse osmosis make water safe to drink? Not any more.

Let's get right to the disadvantages of reverse osmosis. We will go into greater detail about each one, but first here is the short list. The ideas de-mineralizes and wastes water. Electricity is required to pressurize the source water. It cannot take off chemicals and other contaminants that are lighter than water. It does not protect users from bacterial contamination. Finally, it costs more than other systems that do a great job.

Microscope

De-mineralization

One of the disadvantages of reverse osmosis from a condition standpoint is that it de-mineralizes water. Trace minerals are important to human health. All simply occurring water has some mineral content. Investigate has shown that drinking de-mineralized water on a regular basis caused digestive problems and nutritional deficiencies. So, does reverse osmosis make water safe to drink? It might be "safer", but it's not the best choice.

Waste

For every one gallon of water that is clean, in any place from half a gallon to five gallons is wasted. Wasted water is one of the biggest disadvantages of reverse osmosis, from an environmental and financial standpoint. The most sufficient systems waste the most water. It is also a waste of electricity, because other systems work without pressurizing water and thus use no electricity. It is a waste of money, because it costs more initially. It costs more to verbalize and it costs more to control than other more sufficient systems.

Chemicals Get Through

With all of the chemical pollutants in the environment, no one can doubt that they are in the water. So, when you ask, "does reverse osmosis make water safe to drink," the retort has to be "no". Chemical contamination is one of the biggest problems that we face. Over a thousand cancer causing chemicals have been found in tap water. From a condition standpoint, this is one of the biggest disadvantages of reverse osmosis.

Bacteria Gets Through

There are any phases in the life of a bacterium. The earliest is similar to a small egg. It is referred to as the oocyst, cyst or spore stage. Since, the cysts are lighter than water (they float straight through the air, until they find a host) reverse osmosis cannot block them. Cyst contamination is potential in any water source. The federal government says that detecting them in social drinking supplies is unfeasible. When population ingest them, they grow and cause illnesses fluctuating from a stomach ache to violent diarrhea. In children and those who are immune-compromised, they can cause death. If you have cyst contamination, the retort to "does reverse osmosis make water safe to drink" is a resounding "No".

Price

If you are concerned about safety, price is largely unimportant. But when you consider that other more technologically developed systems do a great job and cost less, you would be silly to spend the extra money. You can get a whole house water filter that blocks just about anyone that you can think of for less than a thousand dollars. With all of the disadvantages of reverse osmosis, why would you pay over ,000? You'll have to retort that quiz, for yourself. For more information, please see my website listed below. Larry L. Taylor

The Many Disadvantages of Reverse Osmosis Water treatment

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Friday, September 14, 2012

Criminal Justice Schools Train Investigators, Not Actors

It's fair to say that at some point, I am sure most of us have watched an episode of a popular crime show like Csi: Crime Scene Investigation and have been captivated by the use of forensic science and investigative work that those men and women do to solve a murder or other crime. Within the space of one televised hour, we see the crime scene assessed, evidence gathered, suspects questioned, a big twist and presto, we have our perpetrator behind bars. It all fits quite nicely in in the middle of dinner and bed. However, real-life forensic scientists would beg to differ on the realities presented in this hit show and others. They would also point out that forensic scientists have many separate specialties that can range from crime scene investigation to forensic accounting. In fact, criminal justice schools have a wide range of degree options that all can lead to a rewarding and intellectually stimulating job.

On the Tv show, when a crime scene is discovered and cordoned off, forensic investigators are called in to correlate it. Usually they are good seeing and well-dressed investigators that come in, do a nice clean sweep of the room within minutes, find evidence and send it back to the lab. You'll learn in your criminal justice classes, however, that investigators spend hours, if not days, scouring all in the room. In some situations, they have to wear special outfits so as not to contaminate the room and often leave the scene in a fully separate state of cleanliness. The bullets that are so handy and suitable to be picked up on the floor on Tv? Not so much in real life. Bullets are often mangled or shattered beyond recognition and can only be removed once other crime-scene work has been completed. In addition, when evidence is removed, the analyst has to use special gloves and devices so as not to contaminate it. On Tv, it might seem as if that handkerchief or pencil doesn't contaminate it, but on the small level, the damage is irreversible.

Microscope

In most crime scenes, if not all, fingerprints are used as the main evidence against a suspect. They can make or break a case, and on Tv, they are the best tool for convicting someone. However, the technology that is used in identifying the fingerprint's owner is not always the most accurate. In reality, the fingerprint database can only describe probable fingerprint owners, not the exact match. Also, not everyone is catalogued in the fingerprint database. This can often leave investigators in the lurch until more convincing evidence can be collected and more suspects questioned.

If you've been even remotely bothered by the corpses and autopsy scenes on Tv, you can expect to be fully distressed when it comes to autopsies in real life. Those unfortunate bodies shown on Tv are Usually quite handsome and have pale, but general complexions. In real life, corpses have the effects of rigor mortis and it's not pretty: swollen features, purple discolorations and skin that is gray and waxy to the touch. On Csi, the cast of a weapon, like a knife, can be undoubtedly recreated by pouring caulk into the wound, allowing it to dry and removing it to describe the excellent imitation of the weapon. In real life, faithful measurements are taken layer by layer in the skin tissue.

While high-tech machines that can magnify crime scene images exist, they are not nearly as suited as those shown on Tv. If an image was magnified to the specifications that they use on Tv, the image would be blurry and pixelated beyond recognition. Obviously, this does not always lead to a conviction.

Don't let all of these differences discourage you. In fact, it should be even more encouraging and tempting to get into this involved and tantalizing field of study. Forensic science can take on all separate shapes and forms. Some can specialize strictly in a lab setting, analyzing blood or hair samples. Others can be a detective as well as a crime scene investigator, with the ability to arrest a perpetrator. And still others may keep their nose to files or computers that are brought in as evidence, seeing for signs of fraud or suspicious notes and computer files. In all sectors of criminal justice, occupational increase is growing more than ever before. There are more specialties in these fields being added, such as It Security, which investigates online frauds and schemes that prey on internet users. Forensic science even extends to homeland protection and anti-terrorism units.

From a bachelor degree in criminal justice to a specialist degree in criminal justice, criminal justice degrees are becoming more attainable through online schools. If you are seeing for a separate work or want to develop your degree in criminal justice while working or raising a family, then having an online choice is a viable choice to consider. But remember, this work choice is one that is far separate from popular Tv shows like Csi, but can have a much more rewarding outcome than getting granted someone else season.

Criminal Justice Schools Train Investigators, Not Actors

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Thursday, September 13, 2012

Great Price AmScope SE306R-PZ-E for $189.00


AmScope 20x-40x-80x Stereo Microscope with Two Lights + USB Camera Overview

This binocular stereo microscope comes with a 640x480 pixel USB digital camera. It has three magnification power settings, 20X, 40X & 80X, and a versatile illumination system that provides both incident (top) lighting and transmitted (bottom) lighting. You can choose between incident illumination shining down onto the object or transmitted illumination through the frosted stage plate. The first is used for the observation of three-dimensional objects and the second for the observation of slides. This microscope offers high resolution and good depth within a broad field of view. It gives sharp clear stereo images. Its 45° inclined binocular head ensures an easy observation and rubber eyeguards provide further comfort. The digital camera captures microscope images and displays live video on your computer screen. With the user-friendly software included, compatible with Windows 2000/XP/Vista/7, you can edit microscope images, conduct measurement, record video, capture still images and save microscope images as a BMP, TIFF, JPG, PICT, PTL or other file. The camera dose not need any driver and the software is very easy to be installed on your computer. This microscopy system is a great instrument for many applications. It can be used in geology, forestry, archaeology, agriculture and biology. It is appropriate for educational purposes in hospitals and schools. It is great for the exploration of the world of surface details and fine structures of various materials like wood, metal, solder, semiconductor and stone. It is perfect for the examination of insects, plants, rocks, stamps, jewel, soldered points, microelectronic components or virtually any three dimensional objects. This scope is an ideal tool for watchmaker, jeweler, engraver, dies-maker, philatelist, students, and etc. It comes with first-class quality and affordable price. It is brand new in factory-sealed box. The retail value of this microscope is 0.

AmScope 20x-40x-80x Stereo Microscope with Two Lights + USB Camera Review



AmScope 20x-40x-80x Stereo Microscope with Two Lights + USB Camera Feature

  • Three Magnification Power Settings: 20X, 40X & 80X
  • Built-In Both Incident (top) Lighting and Transmitted (bottom) Lighting
  • High resulotion 640x480 pixel USB2.0 digital camera
  • Captures microscope still images, records live videos, and saves images in BMP, TIFF, JPG, PICT, PTL and other formats
  • Advanced editing, processing measuring software compatible with Windows 2000/XP/Vista/7

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*** Product Information and Prices Stored: Sep 13, 2012 10:30:04

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Sunday, September 9, 2012

Celestron Digital Microscope Imager 44421

Celestron Digital Microscope Imager 44421 Review


$13.7

Celestron Digital Microscope Imager 44421 Feature

  • Increase the value of your biological or stereo/low power microscope by easily adding digital capability
  • Adapts to virtually any type of microscope - 23mm diameter eyepiece tubes and with the supplied adapter 30mm diameter eyepiece tubes
  • Imager replaces the eyepiece of your microscope so you can view comfortably on your computer screen
  • The Imager is rotatable 360° for your desired position when viewing slides or objects
  • 2 MP sensor resolution with USB 2.0 cable attached

Celestron Digital Microscope Imager 44421 Overview

The Celestron Digital Microscope Imager allows you to view and/or capture snapshot images or video with your microscope and your computer. The Imager replaces the eyepiece of your microscope so images can be viewed on your computer screen. Perfect for comfortable viewing by yourself or with small groups and will work with virtually all microscopes.

*** Product Information and Prices Stored: Sep 09, 2012 09:00:06
$41.25

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Friday, September 7, 2012

AmScope 5MP USB Microscope Camera + Measurement Software

AmScope 5MP USB Microscope Camera + Measurement Software Review


AmScope 5MP USB Microscope Camera + Measurement Software Feature

  • Captures 5.0M (2592x1944) pixel high quality still images
  • Records & streams real-time live videos on your computers
  • Advanced editing, processing, and measuring software
  • Compatible with Windows XP/Vista/7 and Mac OS 10.6 & up
  • Fitting four mounting sizes: 23mm, 30mm, 30.5mm, and C-mount

AmScope 5MP USB Microscope Camera + Measurement Software Overview

This 5MP microscope digital camera features upgraded electronics, streamlined software, and a compact design with smaller dimensions and reduced weight. Our company is located in the USA and all cameras come with a 1-YEAR WARRANTY!

*** Product Information and Prices Stored: Sep 07, 2012 22:00:04

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Saturday, September 1, 2012

Elmo Document Cameras - The Key to Engage Your Students

Document cameras are oftentimes used by educational institutions by teachers as a optic aid to enhance the potential of the classes and helps in creating a more engaged and concerned class and helping them to learn more as well as helping teachers in saving their time in pasting diagrams and pictures on the whiteboard.

Elmo document cameras at the moment are the most beloved document cameras in the shop right now. Their innovative features such as the potential to show bright objects, remote control, true magnification of small objects, large capture area, an innovative software that offers video and audio recordings and time lapse photography, a very flexible arm that rotates and pivots to virtually any position.

Microscope Camera Usb

Elmo document projectors are built for multipurpose situations in the classrooms where teachers need to be more flexible and creative. Document cameras allow teachers to do that by letting them display any kind of content straight through its camera and astounding optic lens that lets you zoom to a maximum of 5.2 times its general magnification. Using this feature, teachers will be able to display small objects in a larger perspective. Elmo document projectors and cameras also come supplied with a Microscope Attachment that simplifies the positioning between the microscope and eye-piece and allows you to expand the wee wall and display it on the viewing area for the benefit of students. Someone else great highlight of the document camera is that it has a wide capture area that lets you capture and display large and wide documents and objects like showing a map or during a piano lesson where you need the wide angle capture to show and teach students. The lens of Elmo document camera allows you to capture a wide angle area of up to a spread of 11"x 17" which well covers the wide angle range.

Next is about the software that comes with Elmo Document cameras and is known as Image Mate software that can be used as an alternative to using the interactive whiteboard. With the software installed you can draw lines, shapes and even write on the image with the free hand pen tool within in the software.

Teachers can also bring the practically similar kind of technology used by National Geographic in their time lapse photography. Teachers can now show their students how a flower blossoms by using the time lapse photography highlight in the Image Mate software. The Time Lapse photography highlight lets you capture images from as wee as one second up to 24 hours. The images are then saved as Jpeg and Avi files. The Image Mate software also allows teachers to description audio and video recordings.

The last highlight is the Usb relationship offered by Elmo Document cameras. This prominent highlight lets you associate the Elmo document projector and share the images or movies or audio and video recordings by the Image Mate software with anyone. As mentioned above, the time lapse photography images can also be saved on to a Pc and used as reference material later on.

Elmo Document Cameras - The Key to Engage Your Students

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