Inventions

Perkins' discovery of strong and inexpensive purple dye sparked a violet fa...

Perkins' discovery of strong and inexpensive purple dye sparked a violet fashion frenzy

"Everyday I am still astonished by how widespread the technology is"

The first demonstration sold 400 Slinkys within 90 minutes

"We shall be able to communicate with one another instantly, irrespective o...

"We shall be able to communicate with one another instantly, irrespective of distance"

A ‘This American Life’ podcast takes you behind the scenes

Margaret Crane says it was a simple idea, but it met with enormous pushback

Surely this is unnecessary

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