Omar Shehata

👋 Hello! I'm Omar. At one point I made a living as a software engineer, in the computer graphics / geospatial industry, first at Cesium , then at Snapchat.

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Visit omarshehata.me → RSS feedOn Hacker News Mar 2021 – Mar 2021

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Why does an A note sound different across instruments?

2021196 points106 comments Science & Space details

If you pull up a tuner app on your phone and play an A note on a piano, the tuner will say ~440 hz. Do the same thing on a violin's A note and you'll also get 440 hz.