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에피소드 23 개
2026년 5월 14일부터
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By the 1750s, we had a pretty decent understanding of electricity. However, the theory was incomplete. This was demonstrated most precisely when Benjamin Franklin put a cork inside a charged metal can expecting it to be influenced by the can. However, the cork didn't move whatsoever. This confusion…

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Man, this video took me a while to make. It just may be my most ambitious project yet. Hopefully I didn't miss anything too important. If I did or made a mistake, feel free to let me know!
Johannes Kepler had the relative sizes of the orbits of our planets in the solar system mapped by the 1630s. The shape of the solar system had been known relatively well, but it was a shape without scale. Determining the size of the solar system was a much more challenging problem, mainly because t…
In 1875, French chemist Paul-Émile Lecoq de Boisbaudran discovered the element 'Gallium' after isolating it from a zinc blende ore. However, shortly after his publication, he received word from a Russian chemist with the name of "Mendeleeff" that claimed he had predicted such an element t…
Before the modern days of organic and inorganic chemistry, there was an old theory called "Vitalism" that had made its way into chemistry. Pioneered into the field by the one and only Jöns Jacob Berzelius, this theory postulated that only living things can create organic compounds through…
You might think DNA was always the frontrunner by biologists to be the master blueprint of life. However, that couldn't be further from the truth. This video documents how DNA went from experimental backmarker to the frontrunner of a heated scientific race that used betrayal and abuse of power to r…
Helium is a very common element in our universe. However, due to its characteristics, it's very rarely found on Earth. This video shows how scientists in the 19th century overcame this obstacle, over the course of decades, and isolated and discovered the rare gas. Hosted by Simplecast, an AdsWizz c…
For over two centuries, Newton’s law of gravity accurately predicted the motions of all the planets in the solar system. But that all changed in 1859, when French astronomer Urbain Le Verrier discovered a strange anomaly regarding mercury’s orbit. This led to a problem in Newton's reality that didn…
The weights of atoms and molecules are quite precise today, but has quite a long and complicated history. This video dives into the very beginning of that history, right when modern atomic theory was beginning to surface. John Dalton is the inventor of relative atomic weight, and his ideas were ins…
Absolute zero is the theoretical limit to how cold temperature can reach. The quest to calculate the value of it started in the 1700s, but wasn't accurately done so until the mid 1800s by British physicist William Thomson.
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