How do you make gamma rays for projects?

Answer 1

Gamma rays are very dangerous. You do not make them for school projects. If you wish to demonstrate, use ordinary light or any other material that would produce fluorescence on a Photographic plate.

Answer 2

The answers below are confusing electrons (and positrons) with electrical energy (electricity). Electricity is just the movement of electrons.

Gamma rays of E > 1.022MeV can, and do naturally form e- and e+ pairs when interacting with atomic nuclei. It's a process known as 'pair production'.

To convert gamma radiation (which is just high frequency light) in to usable electrical energy, one could make a solar cell from materials with the right band gap energies. Due to the larger penetration depth of gamma rays compared to visible light, these cells would have to be thick to increase efficiency.

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I have been trying to research this answer. I have been unsuccessful in finding one, although I've almost come up with the formula to turn gamma photons into electrical energy. The first thing I had to find out was how are gamma photons created. (e+) + (e−) = γ

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I've also been researching into the topic and backing it with maths. it's possible,

we simply don't have the technology yet. but in about 8-12 years the technology should be set up to separate matter X and Z and create e- and e+, this may also give us spectacular amounts of direct electricity. and by the annihilation process we can generate 511 KeV of energy and then the direct electricity through conversion. It's renewable and will provide us with such efficient technology that we simply won't be able to believe.