Science & Environment
Colorado's fragile prairie ecosystem is at risk as Front Range development spills into the plains
Front Range development is starting to spill onto the plains, threatening one of largest untouched expanses of prairie habitat.
Geometric Optics: Crash Course Physics #38
Explore 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?
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