To explore the heavens, humans have made many different types of telescopes.

These telescopes can observe visible light, infrared light, radio waves, and even x-rays.

One of the most important forces shaping the universe, however, is gravity.

And how can astronomers observe gravity?

Well, in 2002, the National Science Foundation, Caltech and MIT, managed to build a gravitational

observatory.

Learn more about the Laser Infirometer Gravitational Wave Observatory,

or LIGO, the most accurate instrument ever created

on this episode of Everything Everywhere Daily. This episode is sponsored by Curiosity Stream.

I've talked many times before about Curiosity Stream,

but if you still haven't gotten a subscription you really need to consider doing it

Curiosity Stream has thousands of educational and documentary programs covering a wide range of subjects

I personally watch Curiosity Stream several times a week and I've used their programs to get ideas for this podcast as well as doing show research.

You can get an entire year of Curiosity Stream for less than $20.

It's so cheap you almost can't afford to not get it.

If you're even remotely curious about the world you live in,

go to Everything Dash Everywhere.com

slash Curiosity Stream to start your subscription.

Once again, that's everything dash everywhere

dot com slash curiosity stream.

The origin of this episode comes from the Nobel Prize-winning physicist Richard Feynman.

The origin of the episode doesn't come from any of his theories of physics, but rather his views on education.

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