Author Archives: justin

ZERO-G Challenges of a Trip to Mars

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Veritasium – Can Humans Sense Magnetic Fields?

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Veritasium – The History of Video

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PhET: Masses and Springs

Hang masses from springs and discover how they stretch and oscillate. Compare two mass-spring systems, and experiment with spring constant. Transport the lab to different planets, slow down time, and observe the velocity and acceleration throughout the oscillation. Click to … Continue reading

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Professor Dave Explains: Bohr Model of the Hydrogen Atom

Why don’t protons and electrons just slam into each other and explode? Why do different elements emit light of different colors? Niels Bohr knew why. And now you will too!

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Professor Dave Explains: Wave-Particle Duality and the Photoelectric Effect

Look, up in the sky, it’s a particle! It’s a wave! Actually it’s both. It’s light! How do we know about this stuff? Well, because of Einstein for one. He did more than E = mc^2, you know. But don’t … Continue reading

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8 Amazing Science EXPERIMENTS to do at Home * Interesting Electromagnetic Tricks

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Electric fields podcast

Download the notes. Download the video.

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Electromagnetism quiz

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10 ways to see the electric field

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