2min chapter

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#257 – Brian Keating: Cosmology, Astrophysics, Aliens & Losing the Nobel Prize

Lex Fridman Podcast

CHAPTER

Polarization Sensitive Telescope

We built this telescope and it weighs tens of thousands of pounds. It had to scan the sky almost like it's a robot. The polarization of light is the axis in which its electric field is oscillating. And so therefore vertical polarization is the same as negative vertical polarization. So you get the same pattern as you rotate two times for every one physical rotation. We always joke, we'll pay you $75,000. You just have to work for one night of your life.

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