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reflection

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The simple, clever sensor behind automatic windshield wipers11:18

The simple, clever sensor behind automatic windshield wipers

1.8M views • 2 years ago
Technology Connections
Technology Connections explains how automatic windshield wiper rain sensors work, using an infrared light source and total internal reflection in the glass.
The 7 Habits of Highly Miserable People6:06

The 7 Habits of Highly Miserable People

14.7M views • 9 years ago
CGP Grey
CGP Grey's sarcastic animated video adapted from the book How to Be Miserable, listing habits that reliably make people unhappy. By inverting the advice, it shows what to avoid and prompts reflection on goals and routines.