Category: Google

Richard A. Posner has died

Article URL: https://www.law.uchicago.edu/news/senior-lecturer-richard-posner-law-and-economics-pioneer-and-former-federal-appellate-judge Comments URL: https://news.ycombinator.com/item?id=50475829 Points: 6 # Comments:...

Watch That Sound: Your Own Chladni Plate

What if you could see sound? A Chladni plate uses a speaker and small particles, like sand, to give you a visual representation of sound, and [CrazyScience] shows you how to make one. The plate dates back to 1787, created by the...

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