January 15, 2024
15m
People don’t understand the scale of the Universe.
January 26, 2024
5m
How a rainfall simulator saves millions of lives.
February 8, 2024
34m
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
September 30, 2024
35m
How do QR codes work? The checkerboard patterns taking over the world, demystified.
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