This microscope uses touch. Gelsight is a microscope that presses gel into the object of study. Video 10:42 9 votes
An overview of the substation attack in Moore County, North Carolina in December 2022 Video 13:08 4 votes
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The turntable paradox: A ball on a spinning turntable won't fly off as you might expect. In fact the ball will have it's own little orbit exactly 2/7th the angular speed of the table. Here's why. physics Video 9:11 6 votes
The world depends on this government warehouse's collection of strange Standard Reference Materials. They're not cheap. chemistry Video 18:32, published Nov 19 2022 1 vote
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Penrose Unilluminable Room is a room with mirrored walls that can't be fully illuminated by a single point source of light mathematics Video 10:24 3 votes
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Why everyone ignored the world's best mathematician mathematics Video 18:09, published Apr 11 2022 4 votes
How do these rocks move on their own in the desert? Ninety-nine years later... we solved it. physics Video 14:29 19 votes
Making what is said to be one of the worst smelling substances ever invented, US Government Standard Bathroom Malodor chemistry Video 22:34 18 votes
Electric kettles turn off automatically when the water starts to boil. So what happens when you boil alcohol that has a lower boiling point? Video 12:30 6 votes
Dr Ken Libbrecht is the world expert on snowflakes, designer of custom snowflakes, snowflake consultant for the movie Frozen - his photos appear on postage stamps all over the world physics Video 18:49 6 votes
We look at a fascinating object loaned to the Royal Society - a Campbell-Stokes sunshine recorder Video 7:48 3 votes