2min chapter

Let's Learn Everything! cover image

43: Gravitational Waves, The Loneliest Animal, and Graffiti

Let's Learn Everything!

CHAPTER

The International Pulsar Timing Array

Gravitational waves change the distance between objects. As a gravitational wave contracts or expands the fabric of space time, the light from a pulsar will either arrive a little bit early or a little bit late to Earth. So by having an array of pulsars just distributed across the sky, you can look for patterns between pulsars to detect low frequency gravitational waves. The frequencies of the waves that LIGO was detecting about 10 to 100 hertz are in nanohertz. A hundred billion times lower than the human audible range.

00:00

Get the Snipd
podcast app

Unlock the knowledge in podcasts with the podcast player of the future.
App store bannerPlay store banner

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode

Save any
moment

Hear something you like? Tap your headphones to save it with AI-generated key takeaways

Share
& Export

Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode