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Hitting the Sun is HARD3:13

Hitting the Sun is HARD

3M views • 10 years ago
minutephysics
A three-minute minutephysics video on the orbital mechanics of why crashing into the Sun takes far more energy than leaving the solar system.
The Dutch Solution for Safer Sidewalks - Continuous Sidewalks3:45

The Dutch Solution for Safer Sidewalks - Continuous Sidewalks

452K views • 6 years ago
Not Just Bikes
A short Not Just Bikes video on continuous sidewalks in the Netherlands, where the sidewalk runs unbroken across side streets so cars must visibly cross pedestrian space. It places them within Dutch sustainable safety and Vision Zero efforts.