The Skeptics' Guide to the Universe cover image

The Skeptics Guide #877 - Apr 30 2022

The Skeptics' Guide to the Universe

00:00

Sesium One 33 Atoms

Scientists have created new and very sensitive optical atomic clocks. They use sesium atoms to emit a flash of light at regular intervals. Instruments can pick up the flash of photons and measure time using these regular flashes that that came from the atom when they hit them with micro waves. The official change in measuring the second was made back in 67. But keep in mind that astronomical time still needed to be sinked up, since we're living on earth,. We need our row, our our day and night in our 24 hour cycle to still make sense. Even though it's a little bit longer than 24 hours, they still have to sink them up. And this gan for earth's slowing

Play episode from 13:25
Transcript

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app