Explain This

How can I use perspective to draw physical space more accurately? What was the Renaissance? How can learning about art history improve my Instagram influencer status?
We're learning all about art today, by talking about how the technique of linear perspective completely revolutionised how we capture 3D space on 2D paper! Join us on a journey to 15th century Florence to see human ingenuity in action.
Jin's beautiful beach drawing, or "Why Jin went to med school instead of art school"
An example of beach photography with accurate perspective
Wile E. Coyote attempts to catch the Road Runner with perspective
Brunelleschi's contraption
Holy Trinity by Masaccio
Examples of paintings that don't use linear perspective
Examples of paintings showing linear perspective
V-J Day at Times Square by Alfred Eisenstaedt
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

Why am I so exhausted all the time? How can I be more resilient against work-related stress? What can I do to feel less burnt out?
In this episode, we talk about a special topic that I'm particularly interested in learning and teaching about, because it's such a common source of stress and misery, yet many people don't know enough about it to fight against it.
Hope this episode adds something to your life, or helps you make a step towards positive change!
The Happiness Lab
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

Why is the sky blue and not yellow or tan? Did ancient Greek people see the same blue skies we do now? Why do Koreans call a green light on a traffic signal "blue"? How can language affect the colours that our brains see?
Today we take a deep dive into the colour BLUE, along with all the fascinating history and science behind the colour! You'll be surprised that you can learn so much about a single colour, and it might even make you re-examine how you perceive the world.
Bacchus and Ariadne by Titian
Blue square amongst green squares (English-speakers can distinguish)
Different shade green square amongst green squares (Himba tribe people can distinguish)
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

Are prime numbers sponsored by Amazon Prime? What do maths have to do with secure online messages and cicadas? How can I win $250,000 using maths?
It's time to go back to elementary maths class and study the fundamental building blocks of numbers, while learning about how the weird and cool properties of prime numbers can be super useful! Turns out, maths CAN be fun.
Numberphile - Lucas-Lehmer Primality Test
Numberphile - Euclid's Theorem
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

How do pain relief medications like paracetamol and morphine work? What should I take when I have a headache? Why do we curse when we hurt ourselves? Why is life pain?
We go for a deep dive into Jin's specialty world that is medicine and learn all about pain and how we treat pain in the hospital! Learn how to manage your own pain at home with the right kind of medication.
Pain scale from Allie Brosh's Hyperbole and a Half
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

What is game theory? What's the best strategy when you don't know if someone is a friend or foe? How can maths minimise the number of years I'll go to jail for?
All this and more in today's episode about the infamous Prisoner's Dilemma - where two prisoners have to make a choice, while trying to figure out if they trust the other prisoner or not! It's about to get mathematical.
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

How can I turn lead into gold? Why did Lord Voldemort and the Elric brothers seek the Philosopher's Stone? How can I use alchemy to make my own Philosopher's Stone?
In this episode, we explore the magical world of alchemy, while learning about the power of allegories and science!
The Squared Circle
Rebis
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

How do the new COVID-19 vaccines work? What happened to smallpox? What is the anti-vaccination movement about it? Why should my children and I be vaccinated?
We learn all about the history and science behind vaccines and immmunisation, the scientific evidence supporting the safety of them, and the harrowing stories of how misinformation can literally kill people.
John Green's The Anthropocene Reviewed
Roald Dahl - Measles: A Dangerous Disease
Kurzgesagt video on The Side Effects of Vaccines
Opisthotonus in a patient suffering from tetanus - Painting by Sir Charles Bell
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

Who was Sigmund Freud and why is he a big deal? What are ego and id, repression and Freduian slips? Why do I have deep, secret urges to sleep with my mother?
Today, we go deep into the murky waters of the unconscious mind through the lens of one of the earliest theories on how our unconscious mind work. Along the way, we'll learn about the beginnings of psychotherapy, crazy theories on what drives us, and how our personalities are formed!
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0

How does Bitcoin work? What is a blockchain? How can I make insane amounts of money through memes?
We return from our hiatus with an exciting episode on the weird world of cryptocurrency - a type of money that only exists virtually!
A small PSA: we're publishing every two weeks from now, but in exchange, each episode should be longer and more detailed than the first season of episodes. Hope you enjoy, and make sure to subscribe and share!
Email: [email protected]
Facebook: https://www.facebook.com/explainthiscast
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Opening music: "Groundwork" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 4.0