RT @engineers_feed: In 1849, Hippolyte Fizeau measured the speed of light to within 5% accuracy.
He used a rotating toothed wheel, a mirro…
— Mɐɹɹǝu Wʎǝɹs (@warrenmyers)
Jun 28, 2026
from Twitter https://twitter.com/warrenmyers
June 28, 2026 at 06:22PM
via IFTTT