Curated OER
Radiation
Two types of radiation are discussed in this conversation between a professional and a preteen scientist. Solar rays and galactic cosmic rays are extremely powerful and need to be shielded against when astronauts travel in space....
TED-Ed
How Quantum Mechanics Explains Global Warming
What do quantum mechanics and global warming have to do with each other? More than you might think. Surprisingly, this video explains how it's not the energy emitted from the sun that causes the problem, but how the infrared radiation...
Curated OER
The Electromagnetic Spectrum
Did you know that the visible light wavelengths comprise only one inch of the electromagnetic spectrum that extends over 2,000 miles? Yet even the visible spectrum provides so much information. The Hydrogen spectrum is illuminated as an...