Particle Physics Resurrects Alexander Graham Bell’s Voice

It takes some doing to extract sound from an 1885 wax disc

5 min read
Photo of a wax disc recording from 1885.
Photo: Division of Work & Industry/National Museum of American History/Smithsonian Institution

img Hear My Voice: This 1885 disc contains the only known recording of Alexander Graham Bell’s voice. Photo: Division of Work & Industry/National Museum of American History/Smithsonian Institution

In 1880, Alexander Graham Bell decided to go head-to-head with Thomas Edison. His goal: improving—and commercializing—the phonograph. Bell established the Volta Laboratory in Washington, D.C., using prize money he’d received from the French government for his invention of the telephone. He hired his cousin, chemist Chichester Bell, and instrument maker Charles Sumner Tainter. Collectively known as the Volta Laboratory Associates, the three men spent the next five years researching the transmission and recording of sound.

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Tony Fadell: The Nest Thermostat Disrupted My Life

The Nest founder tells of years in pursuit of a thermostat he actually likes

7 min read
A man holds a circular device in front of a blue wall that says nest on it.

Tony Fadell shows off the Nest thermostat in 2012.

Karsten Lemm/picture-alliance/dpa/AP

The thermostat chased me for 10 years.

That is pretty extreme, by the way. If you’ve got an idea for a business or a new product, you usually don’t have to wait a decade to make sure it’s worth doing.

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