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Q: Gamma rays and electricity ( No Answer,   4 Comments )
Question  
Subject: Gamma rays and electricity
Category: Science > Technology
Asked by: vendelen-ga
List Price: $4.00
Posted: 16 Jul 2005 09:59 PDT
Expires: 15 Aug 2005 09:59 PDT
Question ID: 544224
I believe I've read that gamma rays can be counted, be controlled
(sending a precounted number of rays) to a reciever and that they,
since they don't consist of matter can travel faster than light and
even faster if you obstacle the rays with small glass walls. Why can't
they or don't they use gammatech inside of computers to create binear
codes faster than todays up-to-lightspeed machines or gamma rays to
send signals   from cellphones etc... I know that gamma rays can be
dangerous, but that would be in huge ammounts(?). Is it that simple
that they are too unstable to be controlled or what ?

Thank you
 
Pardon my english - Im a norwegian student
Answer  
There is no answer at this time.

Comments  
Subject: Re: Gamma rays and electricity
From: dprk007-ga on 16 Jul 2005 12:45 PDT
 
vendelen

You say "since they don't consist of matter can travel faster than light"

Gamma rays are in fact a form of light (they form part of the higher
energy end of the electromagnetic spectrum) Therefore they travel AT
the speed of light. (No faster and no slower)

As current computer technology relies on the speed of Electromagnetic
transmission (i.e. the speed of light) nothing is to be gained by
using Gamma rays to design a new computer system.

Regards
DPRK007
Subject: Re: Gamma rays and electricity
From: simon2wright-ga on 16 Jul 2005 14:48 PDT
 
Gamma rays do travel at the same speed as light does through air and empty space,
Gamma rays are more harmful to humans than visible light of the same energy.
Subject: Re: Gamma rays and electricity
From: hfshaw-ga on 18 Jul 2005 08:58 PDT
 
Simon2wright wrote in his comment that "gamma rays are more harmful to
humans than visible light of the same energy".  In fact, gamma rays
and visible light are manifestations of the same thing, namely
electromagnetic radiation, which is mediated by the quantum particle
called the "photon".  Gamma rays and visible light differ only in
their energy, and never "have the same energy".

The energy of a photon is given by 

   E = h * c /L

where h is Plank's constant = 6.63*10^-34 Joules*seconds
c is the speed of light = 3 * 10^8 meters/second
L is the wavelength

Visible light has wavelengths in the range of 400 to 700 nanometers (1
nanometer = 10^-9 meter).  Gamma rays are usually defined as having
wavelengths shorter than 125 picometers (1 picometer = 10^-12 meter),
so they have energies more than 400*10^-9/125*10^-12 = 3200 times
larger than the highest energy visible light (which is violet).

Lying between visible light and gamma rays are ultraviolet light and
x-rays, in order of increasing energy.  Electromagnetic radiation with
energy just *below* that of visible light is called infrared
radiation.


See:  http://en.wikipedia.org/wiki/Gamma-ray_astronomy
http://hyperphysics.phy-astr.gsu.edu/hbase/ems1.html#c1
Subject: Re: Gamma rays and electricity
From: kingrah-ga on 20 Jul 2005 08:58 PDT
 
You mean faster than the speed of light...in a vacuum. Gammas are
indeed part of the electromagnetic spectrum. As such they are photons
- small packets of energy (see wave-particle duality) that can be
counted. EM waves can be made to travel faster (than light in a vacuum
-'superluminal') by blocking out background radiation which is known
to slow down EM proporgation (see casimir effect). They do state that
information cannot travel faster than the speed of light (matter can't
because it would infinite gravity), personally I think this should
appended with 'and stay in the same dimensional reference' -I'm sure
it can be done - just like flying!) The key is Plank time. R

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