1. Do People understand the Scale of the Universe?

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. 15 January 2024. 15 min

People don’t understand the scale of the Universe.

2. The rainiest Place on Earth

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. 26 January 2024. 5 min

How a rainfall simulator saves millions of lives.

3. Why it was almost impossible to make the Blue LED

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. 8 February 2024. 34 min

The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.

17. I used to hate QR codes. But they're actually genius

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. 30 September 2024. 35 min

How do QR codes work? The checkerboard patterns taking over the world, demystified.