Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

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

RMPBS+

Donate

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

Physics Girl show's poster

Science and Nature

Does this look white to you?

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.

Does this look white to you?

Season 1 Episode 6 | 4m 50s | CC

When you mix red and green, what do you get? White light is all of the colors, right? So, how do computer screens show you every wavelength of light? Or do they?

share

Physics Girl

Watch more episodes

Calculating Pi with Darts

Pi can be calculated using a random sample of darts thrown at a square and circle target.

World's Easiest DIY Electric Train

How do you take copper wire, a battery and magnets and make electric train?

Exploding soda cans with electromagnets in SLOW MOTION ft Joe Hanson

Watch a soda can rip itself apart in a fiery explosion!

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >