People
Thomas Edison Lights The Night
After two years, Thomas Edison finally saw the light. In 1877, he had begun studying how to make an electric lamp and within a year had performed 1,200 experiments. In 1879, after spending $40,000, he made a bulb using a carbonized cotton thread for a filament. It burned for two days in the vacuum bulb. [...]
Sigmund Freud: Searching the Mind
“Good morning,” says one psychiatrist as he passes another in the hallway. “Hmm,” thinks the other psychiatrist, “I wonder what he meant by that.” Is there some deep hidden meaning — as that joke suggests — in our every gesture, comment and slip of the tongue? Well, like most jokes, this one makes its point [...]