The BrainFood Show

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In this show, the team behind the wildly popular TodayIFoundOut YouTube channel do deep dives into a variety of fascinating topics to help you feed your brain with interesting knowledge.

  1. 5D AGO

    Is It Really Possible for a Nuke to Ignite the Atmosphere?

    At exactly 5:30 AM on July 16, 1945, the world’s first atomic bomb, codenamed Trinity, detonated over the desert in New Mexico, unleashing in an instant the power of 18,000 tons of TNT. The atomic age had begun. As night turned to day and a fireball 200 metres across rose into the sky, the scientists of the Manhattan Project who had built the bomb reacted in different ways. Some were jubilant, others more somber. J. Robert Oppenheimer, the scientific director of the project, famously recalled a line from the Hindu scripture (ba-ga-vad gee-ta) Baghavad Gita: “Now I am become death, destroyer of worlds”; while Kenneth Bainbridge, director of the Trinity test, was more blunt, stating: “Now we’re all sons of bitches.” Elsewhere around the test site, money frantically changed hands as scientists settled a series of private bets. Some had wagered that the test would be a dud, or that it would reach just a fraction of its predicted yield. But others, including Italian physicist Enrico Fermi, had wagered on a more disturbing outcome: that the intense heat of the bomb would ignite the atmosphere, setting off an unstoppable chain reaction that would wipe out all life on earth. This apocalyptic bet has since become an infamous part of nuclear lore, but does it have any basis in reality? Could the Trinity test - or any nuclear weapon, for that matter - actually have set earth’s atmosphere ablaze? Well, let’s dive into it, shall we? Author: Gilles Messier Host: Daven Hiskey Producer: Samuel Avila Learn more about your ad choices. Visit megaphone.fm/adchoices

    16 min
  2. MAR 4

    The Most Bizarre Substance Known to Science and What It Can Do

    If ever there was a criminally underrated natural resource, it would have to be Helium. Though most commonly associated with party balloons and making one’s voice sound like a cartoon, Helium’s most important application is in cooling the magnets of Magnetic Resonance Imaging or MRI machines. While the finite and ever-dwindling global supply of this vitally important gas is a topic worthy of its own video, perhaps even more fascinating is just how bizarre an element Helium truly is. For if Helium is liquefied and cooled to a low enough temperature, it begins to behave like no other liquid on earth, seemingly violating the laws of gravity, thermodynamics, and even logic itself. This is the story of superfluid Helium II, the weirdest substance known to science. In order for Helium to be liquefied, it must be cooled to a temperature of -268.8 degrees Celsius or 4.2 Kelvin – that is, only 4.2 degrees above Absolute Zero, the coldest temperature theoretically possible. By contrast, Nitrogen liquefies at a relatively balmy 77 Kelvin, Oxygen at 54 Kelvin, and Hydrogen at 33 Kelvin. The reason Helium is so difficult to liquefy lies in its electron orbitals being completely filled, making it – like the other noble gases Neon, Argon, Krypton, Xenon, and Radon – electrically neutral and chemically inert. This means that the only force which can pull Helium atoms together is the so-called Van de Waals Force, which is caused by electrons shifting from one side of an atom to the other and creating a momentary electrostatic charge. This force is incredibly weak, meaning that Helium must be cooled to extremely low temperatures in order for the Van de Waals forces to overcome the energy of the moving atoms and pull them close enough together for the gas to liquefy. Solidifying Helium is even more difficult – so difficult, in fact, that it cannot be done at regular atmospheric pressures. Only at pressures of 25 atmospheres and above can solid Helium be created. Learn more about your ad choices. Visit megaphone.fm/adchoices

    17 min
  3. MAR 3

    How the Hell Did Winston Churchill Lose the Election Right After Defeating Germany?

    Nazi Germany officially surrendered on May 7, 1945. With the war still raging in the Pacific against Japan and sporting a popularity rate at around 83%, Sir Winston Leonard Spencer Churchill seemed a shoe-in to maintain his position as Prime Minister of the British Empire. Just before the announcement of the results of the election, Churchill had been at the Potsdam Conference with U.S. President Truman and Joseph Stalin, only intending to travel home briefly to accept his victory, and then back to the conference. Yet a funny thing happened on July 26, 1945, the voting populace of the UK, which had turned out in record numbers of 73%, had decided to collectively say “Thanks for your service, Winston, but we’ve decided to go in a different direction,” in a landslide defeat that shocked the world. While in more modern times you might think some sort of scandalous affair or offensive comment may have whipped up the mob on the interwebs precipitating such a massive electoral fall in the span of just a couple months, there was no such issue here either. So what happened? How did this wildly successful politician, frequently named among the top Prime Ministers ever in the nation, at the height of his popularity no less, and who had just helped successfully guide Britain through one of its most harrowing periods of its storied history, not just lose, but lose in a landslide? And not only this, making the whole thing even more inexplicable, he lost to a man who one of said man’s own party members, Aneurin Bevan, stated “seems determined to make a trumpet sound like a tin whistle.” Or as chairman of the Daily Mirror, Cecil King, would remark in 1940, he was “of very limited intelligence and no personality. If one heard he was getting £6 a week in the service of the East Ham Corporation, one would be surprised he was earning so much.” Or, let’s not stop there, as famed social reformer Beatrice Webb would remark, “He looked and spoke like an insignificant elderly clerk, without distinction in the voice, manner or substance of his discourse. To realize that this little non-entity is… presumably the future Prime Minister, is pitiable.” Or how about as Churchill himself would allegedly quip about his opponent, he is "a modest man, but then, he has so much to be modest about." The demeaning quotes about the man Churchill lost to go on and on and on, and his own party before, during, and after the election likewise tried to oust him as their leader…. Only to see this quiet, oft’ forgotten individual who rapidly rose from a middle class background to the heights of power, defy them all and go on to become one of the greatest Prime Ministers in the history of the nation, often even ranked above Churchill himself, despite only serving in the position for a handful of years. As ever, of course, the devil is in the fascinating details, so let’s dive into it, and what specifically happened to see a titan of history defeated by a man likely no one outside of the UK even knows the name of, yet shaped the Britain we have today arguably more significantly than Churchill ever did. Learn more about your ad choices. Visit megaphone.fm/adchoices

    25 min
4.6
out of 5
30 Ratings

About

In this show, the team behind the wildly popular TodayIFoundOut YouTube channel do deep dives into a variety of fascinating topics to help you feed your brain with interesting knowledge.

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