https://padlet.com/clarearcher/5ex15zzpac410lzs en-us 2022-03-08 14:10:01 UTC 2022-03-09 21:56:26 UTC hello@padlet.com clarearcher https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2084070129 On the EM spectrum, Gamma Rays fall above X-Rays. Gamma Rays have wavelengths of less than 4 x 10^9 inches. Gamma Rays have frequencies greater than about 10^19 cycles per second, or Hertz. Gamma Rays have the highest frequency and carry the most energy.]]> 2022-03-08 14:15:41 UTC https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2084070129 clarearcher https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2084076193 Gamma Rays have both positive and negative effects. Gamma Rays are dangerous to living cells. Too much gamma radiation can hurt or kill cells. A beam of gamma rays can be used to destroy cancerous tumors. They can also be used to kill bacteria in food. ]]> 2022-03-08 14:18:37 UTC https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2084076193 clarearcher https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2085167565 2022-03-09 02:04:22 UTC https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2085167565 clarearcher https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2085171333 1. Doctors conduct brain surgery using “gamma-ray knives."
2. The name “gamma rays” came from Ernest Rutherford
3. Nuclear reactions are a major source of gamma rays.]]> 2022-03-09 02:07:19 UTC https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2085171333 clarearcher https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2086079984 2022-03-09 13:42:36 UTC https://padlet.com/clarearcher/5ex15zzpac410lzs/wish/2086079984