Alejandro Quintana; Period 3
Gamma Rays Description
- Typically has frequencies above 10 exahertz
- wavelengths less than 10 Pico meters, which is less than the diameter of an atom
- In a vacuum all light travels the same speed no matter what the wavelength/frequency
Other Key Facts
- Gamma-rays travel to us across vast distances of the universe, only to be absorbed by the Earth's atmosphere.
- Gamma-rays are the most energetic form of light and are produced by the hottest regions of the universe.
- Gamma Rays kill living cells, a fact which medicine uses to its advantage, using gamma rays to kill cancerous cells.
- Gamma rays are used by Engineers, since they can penetrate better than X-rays, to look for cracks in pipes and aircraft parts.
Health Impacts (pos. and neg.)
Positive effects of radiation include fighting cancer, diagnostics and the possibility for extending life.
Negative: Strong sources of gamma rays can cause acute radiation poisoning or even fatalities at high doses. Long-term exposure to low levels of gamma radiation can cause cancer.