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Lt.BirdGod Captain
Joined: 02 Jan 2002 Posts: 619 Location: Sol System, 3rd planet from the Sun
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Tue Jun 17, 2003 10:42 pm Detection |
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What detects different rays? I can't remember at the moment. Like, gamma rays, beta, alpha and x-rays.
You see, I had this though (This is off trek), I had a though for my paintball gun, that if you had a gamma ray shooting out as a scope, it would be untrackable, except to your detector. Of course, you know, it could have some problems on humans, but thats beside the point.
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Los Commodore
Joined: 07 Jun 2002 Posts: 1336 Location: Oklahoma fa sho!
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Tue Jun 17, 2003 11:36 pm Re: Detection |
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Lt.BirdGod wrote: | What detects different rays? I can't remember at the moment. Like, gamma rays, beta, alpha and x-rays.
You see, I had this though (This is off trek), I had a though for my paintball gun, that if you had a gamma ray shooting out as a scope, it would be untrackable, except to your detector. Of course, you know, it could have some problems on humans, but thats beside the point. |
Some scientists did a gold film test where either beta or alpha particles would light up the foil in little lights as they would pass through it. I'm not sure how gamma radiation is detected other than through those radiation detection thingies. And Xrays? Come on. If you start to feel funny and your hair falls out, you've been exposed to too much!
There is also infrared, ultravoilet, and *beep*, Thaeleron!
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Lt.BirdGod Captain
Joined: 02 Jan 2002 Posts: 619 Location: Sol System, 3rd planet from the Sun
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Sat Jun 21, 2003 8:20 pm |
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Indeed, but, I mean, visual interface, so that I could see the beam?
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webtaz99 Commodore
Joined: 13 Nov 2003 Posts: 1229 Location: The Other Side
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Fri Nov 14, 2003 3:14 am Detection |
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X-rays and other high energy photons are detected using a technique called "scintillation". The high energy photon interacts with a material (different materials for different energies) and produces lower energy photons which can be detected with with film, etc. Instead of detecting the original photon you detect its effects. You can't see the wind, but you can feel it.
Beleive it or not, X-rays and gamma rays can actually be imaged using a charge-coupled device mated to a scintillator. A CCD is the sensor "chip" in digital cameras and cam-corders.
Most modern X-ray clinics and hospitals use digital X-ray "cameras" instead of the old film technology. Astronomers use both X-ray and gamma ray versions.
Trouble is, gamma rays are radiation, just like X-rays. They take extreme (as in DEADLY) voltages and expensive equipment to produce and control. They tend to pass right through most materials, leaving energetic electrons behind - very harmful to living cells.
Also - anything you can detect, someone else can too.
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