Author Archives: justin

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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Vsauce – Would Headlights Work at Light Speed?

If you were driving at the speed of light and turned on your headlights, what would happen?  

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The strongest magnet in the world

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Vsauce – How Earth Moves

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Checkpoint Solutions – 2016

Thanks to Colin Hopkins of Bialik College, here are the worked solutions to the Checkpoints 2016 Unit 3 & 4 Physics book. 1. Motion Basics solutions 2016 2. Forces solutions 2016 3. Energy solutions 2016 4. Momentum solutions 2016 5. … Continue reading

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