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https://youtu.be/GVU_zANtroE Oxygen forms about 21% of the air around us. In your body, oxygen forms a vital role in the production of energy in most cells. But if gases can only efficiently diffuse... read more
https://youtu.be/c_e1wITe_ig The kilogram, mole, kelvin, and ampere will be redefined by physical constants. Will this be the last video I make about SI units? Quite possibly. There's something... read more
https://www.youtube.com/watch?v=bgC-ocnTTto Alka-Seltzer added to spherical water drop in microgravity onboard the International Space Station. Get your students to predict the results of the... read more
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