YouTube description: Even though you can see purple, there's no purple light. This also explains why we can use a colour wheel when the electromagnetic spectrum is linear. (H/T @eric3579)... continue reading
posted by Aard Vark (oritteropo) 5 years 2 months ago • 897 views • 4:52search results matching tag: electromagnetism
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YouTube description: A bisected grape in the microwave makes plasma. But how does it work? A grape is the right size and refractive index to trap microwaves inside it. When you place two (or two halves)... continue reading
posted by Aard Vark (oritteropo) 5 years 3 months 3 weeks ago • 732 views • 8:16YouTube: The merging of two neutron stars was detected by gravitational waves and then by telescopes in all parts of the electromagnetic spectrum. This is a historic detection as it demonstrates: - the... continue reading
posted by PlayhousePals 6 years 7 months 4 weeks ago • 1,229 views • 5:26YouTube: Spinning magnets near copper sheets create levitation!
posted by PlayhousePals 7 years 4 months 1 week ago • 290 views • 6:19This is a really nice demonstration, and explanation of, what happens when you drop a magnet down a conducting non-magnetic tube. YouTube Description: Huge thanks to the Royal Institution, Professor... continue reading
posted by Aard Vark (oritteropo) 1 decade 1 year 5 months 2 weeks ago • 228 views • 3:50The scientists of Sixty Symbols discuss the four fundamental forces - gravity, electromagnetic, weak and strong - for Valentine's Day.
posted by Skeeve 1 decade 3 years 4 months ago • 1,697 views • 8:17- 1