Community Action
As Denver’s Juneteenth scales back, organizers push forward
Denver’s Juneteenth Music Festival will be shorter this year and operating on a leaner budget, but organizers say its message matters now more than ever.
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Sign up for our newsletterExplore the world of physics, motion, and energy with Dr. Shini Somara.
Geometric Optics: Crash Course Physics #38
Season 1 Episode 38 | 9m 26s | CC
Sunlight, moonlight, torchlight, and flashlight... They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s worth a close, hard look. For instance, how does light travel? When you flip that switch in the bathroom to brush your teeth, how does light move from the light bulb, to the mirror, and into your eyes?