The man who made electronic television signals a reality made only one on-camera appearance. No one knew who he was.
From Elvis's near-final resting place to the porta-johns that saved a pilot's life, these are the toilets that altered world events.
People have come up with a range of ingenious, harebrained, and sometimes grim but often remarkable ways to stay cool during a summer scorcher.
The original reason electrical plugs had holes isn’t the same reason they have holes these days.
Olympic curling stones are pretty self-policing—here's what those green and red lights can tell you.