CK-12 Foundation
Ck 12: Physical Science: Gamma Decay
[Free Registration/Login may be required to access all resource tools.] Explains how and why gamma decay occurs, what gamma rays are, and why gamma radiation is the most harmful.
Massachusetts Institute of Technology
Mit: Inventor of the Week: Willard Libby Carbon Dating
Use this site to learn about radiocarbon dating and the scientist who discovered it, Willard Libby (1908-1980 CE).
Curated OER
Smithsonian Institution Archives: Marie Sklodowska Curie (1867 1934)
Polish physicist Marie Sklodowska Curie (1867-1934) was the first woman to be awarded the Nobel Prize in physics, sharing it with her husband Pierre in 1903 for their work on radioactivity. After his death in 1906, she continued with her...