ExplainerTools

Science · Interactive demo

Why do deer freeze in your headlights?

Take the mirror out of a deer's eye and watch its eyeshine vanish. Why eyes glow in your headlights, and what biologists say about the freeze.

Created by ExplainerTools.

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This interactive demo gives you a visual way into science. The key ideas include animals, eyes, light, night vision.

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ExplainerTools collects interactive explainers, visual essays, and educational videos that help an idea make sense. Browse by subject, follow a topic, or find a creator whose way of explaining speaks to you.

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