Unsung tech heroes
13:00

The Ovshinsky effect

Meet the man behind modern computer memory and his dream for a cleaner, hydrogen-powered world.

11:40

The will of Grace

Grace Hopper was at the forefront of the early computing revolution, breaking several age and gender barriers along the way.

13:20

Spark of genius

Some call Nikola Tesla the greatest inventor who ever lived; the majority of the world has never even heard of him.

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