Brief outages are expected today due to maintenance. More information here.

Stream live and on-demand content now on our new app:
RMPBS+

Help tell more stories in 2026 - make a year-end gift!

Give Now
Physics Girl show's poster

Strange Unexplained Cosmic Rays (ft PhD Comics)

Join host Dianna Cowern as she puts her MIT physics degree to the test. With experiments, demonstrations, and cool new discoveries, Physics Girl sheds new light on the fun, adventurous side of physical science.

Strange Unexplained Cosmic Rays (ft PhD Comics)

Season 2 Episode 25 | 6m 57s | CC

Cosmic rays are particles from space. The most energetic and fastest particles we’ve ever detected come from a mystery place. In this video inspired by the book, “We Have No Idea,” we investigate two mysteries where things fall from the sky.

Physics Girl

Watch more episodes

See more
See more