“Electromagnetism” is a silent educational film from the late 1920s that explains the basic principles of electromagnetism using simple animations, diagrams, and live-action demonstrations. The film ...

Notes and Records is the Royal Society's journal on the history of science. Each issue highlights fascinating examples of science shaping our lives, revealing reminiscences and discoveries, and ...

Nitrogen, a chemical nutrient needed by many growing crops, can accidentally end up in surface or subsurface water. Now an Agricultural Research Service scientist is using electromagnetic induction ...