The science of how electricity and magnetism are connected and how they create forces that affect moving charged particles and metals.
Combination of 'electricity' (Greek 'elektron', amber) and 'magnetism' (from Magnesia, an ancient region). Unified as a single force by Maxwell in the 1860s.
Light itself is actually electromagnetic radiation—what you see is just one tiny slice of electromagnetic waves, with radio waves, microwaves, X-rays, and gamma rays being invisible neighbors in the same spectrum.
Complete word intelligence in one call. Free tier — 50 lookups/day.