Psychedelics • 2021 • episode "S1E2" History By The Numbers

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Psychedelics have impacted history for as long as there have been people wanting to get their minds blown. Discover who's been under the influence from Salem witches and Santa Claus to 1960s hippies and Steve Jobs, and find out how mind-altering substances have changed our world.

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History By The Numbers • 2021 • 10 episodes •

History of Everest

Where earth meets sky: how the most thrilling and dangerous point at the top of the world continues to fascinate, and what it takes to conquer the Big One.

2021 • Math

Psychedelics

Psychedelics have impacted history for as long as there have been people wanting to get their minds blown. Discover who's been under the influence from Salem witches and Santa Claus to 1960s hippies and Steve Jobs, and find out how mind-altering substances have changed our world.

2021 • Math

The Roaring 20s

Ever wonder what happens after a global pandemic? Sometimes the secrets of the future can be found in the past. In the wake of the Spanish Flu, the 1920s become the decade of flappers, jazz, and the speakeasy, and for many a time of unprecedented opportunity.

2021 • History

Heists

Get the inside track on five of the greatest heists in history. These are not petty robberies, but high-stakes operations meticulously planned and audaciously executed, with a cast of colorful characters from the mastermind to the snitch. Find out who gets away with the loot, and who doesn't.

2021 • History

King Tut

When the lost tomb of King Tut is opened in 1922, it's not only the famous Curse that is unleashed. Fashion, movies and architecture all come under the pharaoh's spell as the world goes mad for Tut-mania.

2021 • History

Race to Berlin

It's June 1944. the Soviet Red Army and the Western Allies are in a race to the finish line. The prize is Hitler's Berlin, and whoever is first to cover 700 miles will not only win the war but will get to decide

2021 • History

The Amazon

The Amazon rainforest is one of the enduring mysteries of the natural world - and no wonder, it is as big as the whole continental US! It’s home to over 2 million Indigenous peoples, and a massive 10…

2021 • History

Air Travel

Since the earliest pioneers million commercial flights each year, discover how innovation, coach class, and sex have made our flying fantasies come true.of flight,we've dreamed of conquering the skies. From the first brave passenger flying across Tampa Bay in 1915 in a rickety rust bucket to 40

2021 • History

Skyscrapers

The history of skyscrapers is the history of American cities, technological ingenuity, and a global boom in urbanization. From West to East, and 5 stories up to 1km high, there’s nowhere to go but up.

2021 • History

Orient Express a Train Writes History

Putting the Orient Express – also called „the train of trains“ – on its tracks called for considerable stamina. Several times, the ambitious project of Georges Nagelmackers was on the brink of failure as the Belgian entrepreneur was facing the bankruptcy of his sleeping car company.

2021 • History

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Expanded Horizons

Hannah travels down the fastest zip wire in the world to learn more about Newton's ideas on gravity. His discoveries revealed the movement of the planets was regular and predictable. James Clerk Maxwell unified the ideas of electricity and magnetism, and explained what light was. As if that wasn't enough, he also predicted the existence of radio waves. His tools of the trade were nothing more than pure mathematics. All strong evidence for maths being discovered. But in the 19th century, maths is turned on its head when new types of geometry are invented. No longer is the kind of geometry we learned in school the final say on the subject. If maths is more like a game, albeit a complicated one, where we can change the rules, surely this points to maths being something we invent - a product of the human mind. To try and answer this question, Hannah travels to Halle in Germany on the trail of perhaps one of the greatest mathematicians of the 20th century, Georg Cantor. He showed that infinity, far from being infinitely big, actually comes in different sizes, some bigger than others. This increasingly weird world is feeling more and more like something we've invented. But if that's the case, why is maths so uncannily good at predicting the world around us? Invented or discovered, this question just got a lot harder to answer.

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The Joy of Data

A witty and mind-expanding exploration of data, with mathematician Dr Hannah Fry. This high-tech romp reveals what data is and how it is captured, stored, shared and made sense of. Fry tells the story of the engineers of the data age, people most of us have never heard of despite the fact they brought about a technological and philosophical revolution. For Hannah, the joy of data is all about spotting patterns. Hannah sees data as the essential bridge between two universes - the tangible, messy world that we see and the clean, ordered world of maths, where everything can be captured beautifully with equations. The film reveals the connection between Scrabble scores and online movie streaming, explains why a herd of dairy cows are wearing pedometers, and uncovers the network map of Wikipedia. What's the mystery link between marmalade and One Direction? The film hails the contribution of Claude Shannon, the mathematician and electrical engineer who, in an attempt to solve the problem of noisy telephone lines, devised a way to digitise all information. Shannon singlehandedly launched the 'information age'. Meanwhile, Britain's National Physical Laboratory hosts a race between its young apprentices in order to demonstrate how and why data moves quickly around modern data networks. It's all thanks to the brilliant technique first invented there in the 1960s by Welshman Donald Davies - packet switching. But what of the future? Should we be worried by the pace of change and what our own data could be used for? Ultimately, Fry concludes, data has empowered all of us. We must have machines at our side if we're to find patterns in the modern-day data deluge. But, Fry believes, regardless of AI and machine learning, it will always take us to find the meaning in them.

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How many ways can you arrange a deck of cards?

One deck. Fifty-two cards. How many arrangements? Let's put it this way: Any time you pick up a well shuffled deck, you are almost certainly holding an arrangement of cards that has never before existed and might not exist again. Yannay Khaikin explains how factorials allow us to pinpoint the exact (very large) number of permutations in a standard deck of cards.

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To Infinity and Beyond

By our third year, most of us will have learned to count. Once we know how, it seems as if there would be nothing to stop us counting forever. But, while infinity might seem like an perfectly innocent idea, keep counting and you enter a paradoxical world where nothing is as it seems.

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The last banana: A thought experiment in probability

Imagine a game of dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game? Leonardo Barichello explains how probability holds the answer to this seemingly counterintuitive puzzle.

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Code-Breakers: Bletchley Park's Lost Heroes

Documentary that reveals the secret story behind one of the greatest intellectual feats of World War II, a feat that gave birth to the digital age. In 1943 a 24-year-old maths student and a GPO engineer combined to hack into Hitler's personal super code machine - not Enigma but an even tougher system, which he called his 'secrets writer'. Their break turned the Battle of Kursk, powered the D-day landings and orchestrated the end of the conflict in Europe. But it was also to be used during the Cold War - which meant both men's achievements were hushed up and never officially recognised.

2011 • Math