Results for "History"
Found 149 results
In 1960, Theodore Maiman ignored the experts and built the first laser using a synthetic ruby cryst…
In 1916, Gilbert N. Lewis tossed broken atom models and used simple dots to explain electron sharin…
In the 1990s, David Ho used math to prove HIV wasn't dormant, leading to the cocktail therapy that …
Discover how Gregory Pincus and John Rock developed the first oral contraceptive, Enovid, and chang…
In 1944, a wartime blackout gave Walter Baade the dark skies needed to discover two star types, ins…
In 1975, Kodak engineer Steve Sasson built the first digital camera using a Fairchild CCD sensor, c…
How Karl Ziegler and Erhard Holzkamp replaced dangerous 2000-atmosphere reactors with a simple glas…
Discover how Dorothy Hodgkin used X-rays and math to reveal penicillin's secret beta-lactam ring in…
In 1859, Richard Carrington sketched a solar flare that caused global auroras and fried telegraph l…
In 1848, Louis Pasteur used a microscope and tweezers to separate mirror-image crystals, proving mo…
How a tiny 8-arcminute error forced Johannes Kepler to abandon perfect circles and discover the ell…
In 1938, a confused chemist cut open an 'empty' gas cylinder and discovered a weird white powder. H…