SciTech Spotlight

He invented the neutrodyne receiver, which eliminated the squeaks and howls of early radios and made commercial radio possible. Louis Hazeltine was born on this day in 1886.

SciTech Spotlight

His accidental discovery of penicillin won him a Nobel prize and is estimated to have saved as many as 200 million lives. Sir Alexander Fleming was born on this day in 1881.

SciTech Spotlight

The first man to walk on the moon, Neil Armstrong, is 77 today.

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The inventor of the modern pencil Nicolas-Jacques Conte was born 252 years ago today.

SciTech Spotlight

He didn't invent the elevator, but he did invent the automatic brake that made it safe to use. Elisha Otis was born today in 1811.

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Tower Subway, the world's first underground tube railway, was opened in London on this day in 1870.

SciTech Spotlight

The first female astronomy professor in the U.S., Maria Mitchell, was born on this day in 1818.