DoodleScience
Hazards of Radiation
Radiation hazards are the subject of a short video that also includes a comparison of alpha, beta, and gamma rays, and the hazards if people ingest or absorb these rays through the skin.
Curated OER
Radioactive Isotopes
A Geiger counter is used to detect emission of alpha particles, beta particles, and gamma rays. The teacher experiments to find out which materials block each of these forms of radiation. The camera is focused on the measuring instrument...
PBS
Pbs Learning Media: Universe Origins
This video segment from Swift: Eyes through Time covers gamma ray bursts; geocentric and heliocentric models, and cultural interpretations of scientific data. [3:28]
NASA
Science Casts: Mysterious Objects at the Edge of the Electromagnetic Spectrum
NASA's Fermi Gamma-Ray Telescope is finding hundreds of new objects at the very edge of the electromagnetic spectrum. Many of them have one thing in common: Astronomers have no idea what they are. [3:27]
PBS
Pbs Learning Media: Crash Course Astronomy: Gamma Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. [13:51]
Crash Course
Crash Course Astronomy #40: Gamma Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...
Bozeman Science
Bozeman Science: Electromagnetic Radiation
In the following video Paul Andersen details the waves in electromagnetic radiation. There is an inverse relation between the wavelength and frequency of electromagnetic waves. Electromagnetic radiation includes gamma rays, x-rays,...
Science Friday Initiative
Science Friday: Sorting Out the Alphas, Betas and Gammas of Radiation
Experts outline the basics of radiation terminology.
Science Friday Initiative
Science Friday: In a Flash of Gamma Rays a Star Is Gone
Was a star eaten by a massive black hole?