Because ionizing radiation does just that, ionizes, it is easy to see that using a medium like a gas, and a voltage, you can measure the amount of charge liberated in that medium. That is the most common method of measuring radiation. The infamous Geiger Counter is in reality a small volume of gas, with a voltage applied across it. As the radiation enters the gas, it causes electrons to be formed, which are collected and measured to determine the amount of initial radiation present.

We are equipped with new Celestron Nexstar 9.25" GPS telescopes. They are equipped with Celestron's new Starbright XL coatings for 10% more light throughput than ordinary instruments. These scopes are computer automated and have spectacular optics. Because they are bigger and have better optics they gather about 45% more light than telescopes used on other tours.

Various methods are being used by the sports authorities for detecting steroids like HPLC, GC, Immunoassay, Radio Immunoassay. Antibody-antigen based immunoassays are used as preliminary checks which give reasonably accurate results. Chromatographic methods may be employed for detailed analysis.

For a few days after you inject EPO, there is an overabundance of immature red blood cells... however, after 6 or 7 days, those immature red blood cells are already mature, and they are indistinguishable from any other mature red blood cell, so after 7 days they can't detect if you used EPO (unless the EPO had a marker, which some of them do...) At that point, they disqualify athletes with a hematocrit above 50% "for your safety"..

Breast implants may hide up to 25% of breast tissue from x-rays during a mammogram. A study funded by the National Cancer Institute found that mammograms missed 55% of breast cancers in women with breast implants as compared to 33% in women without implants. The technician performing the mammogram should know about the presence of breast implants so that they can use a special technique called "implant displacement views" and take care to avoid causing an implant to rupture.

Many browsers identify themselves when they request a document. A CGI script will have this information available in the HTTP_USER_AGENT environment variable, and it can use that to send out a version of the document which is optimized for that browser. Keep in mind not all browsers identify themselves correctly. For example, Microsoft Internet Explorer identifies itself as Netscape Navigator, and many other browsers identify themselves as Microsoft Internet Explorer.

Caution: Use the wiggle function on the Servo before connecting the Servo arm to anything else or make sure the Servo arm wiggle will not affect your setup. Use the Wiggle function provided in the software to wiggle the Servo. The selected active channel is the connected channel. The tops 3 pins (top cover upwards) is channel A and lower 3 pins is channel B.

No, normally not. At the time of day we visit the astronomers are quite busy and can't be interrupted. We do however see the observatories as they open their domes and swing into position. Some of the observatories are constructed so as to show a lot of the telescope from the exterior when the dome is open. We are available for custom charters, which could be a day trip. Normally we tour one or two of the observatories during the daytime.

No, modern telescopes are not equipped for visual (eye) observing . The scientist are making digital images that can be frequently found on the internet.

Yes, there are some images on the NRAO Web site that you can browse. In addition, images and data from two surveys of the sky made by the VLA are available on the Internet. You also may download software for viewing these image files. Check out the NRAO VLA Sky Survey and the FIRST Survey Web pages.

Nowadays, the bulk of the work astronomers do is on computers. They spend a small portion of their time at telescopes actually taking data. Astronomically-useful telescopes rarely have eyepieces you can look through. Radio, ultraviolet, or infrared telescopes collect light that you can't even see with your eye! Telescopes that collect visible light often have electronic cameras called CCD cameras that create an image in a computer.

The Telescopes are fixed for the first 15 levels on this site you can only push or suck the ball with the Telescopes, although more exciting ways of moving the ball around come up later on.

The telescope mounts are polar aligned using Tpoint. Tpoint is an advance alignment and pointing modeling system which improve pointing performance.

World-wide there are ten sets of frequencies used for speed monitoring. In the UK only to radar frequencies used, K band and Ku band (in a very limited way). Coverage of other frequencies other than these bands will cause the detector to false alarm, devices such as traffic lights supermarket doors, mobile phones and transmitters often operate on the X band.

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Digital rectal examination - by inserting a gloved finger into the back passage your doctor can actually feel the prostate gland, to find out whether it has any lumps or is larger than it should be. Even if it is enlarged, this does not mean that it is cancerous. PSA blood test - if the level of Prostate Specific Antigen (PSA) in your blood is too high, this suggests that there is a prostate cancer, but there are several other conditions which cause an increase in blood PSA levels.