@tedtoks
TED TalksYou might want to turn your sound on for this video. According to astronomer Mark Whittle, this is what the universe sounded like after the Big Bang. In his TED Talk, he takes us back to when the universe was a newborn (about 400,000 years old) and shows how gravity and pressure made primordial gas pulse, creating massive sound waves. Visit the 🔗 in our ☣️ to learn more — including how this cosmic history still lives in the atoms we’re all made of.
On the profile · Oct 15, 2026