57 episodes
Explain This Jin Kim
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- Science
The world is getting increasingly complex, yet our attention spans are getting shorter. Do you wish someone could just explain everything to you as if you were a five-year-old kid? Are you curious about science, philosophy, history, life and the world in general, but don't know where to start learning everything from scratch? Welcome to Explain This, where we'll untangle the complexities of life and the universe, one bite-sized, child-friendly explanation at a time!
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57 - Latitude and Longitude
How can you use the Sun, the stars, and time to measure your location on Earth? Why were clocks instrumental in conquering the seas? How can you use shadows and wells to prove that the Earth is round?
Today, we learn all about the science of location, location, location! And the fascinating history of how sailors navigated the high seas before satellites and Google Maps.
Latitude and longitude visualised
Using latitude and longitude as coordinates
Eratosthene's method for calculating Earth's circumference
Astrolabe
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56 - Sepsis
How do infections kill us? What happens when my immune system overreacts? Why is horseshoe crab blood important in medicine?
All these questions and more are answered in today's episode, covering the often misunderstoon topic of sepsis. Step inside my world of emergency medicine, and how we fight against infectious diseases!
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55 - Nuclear Fission
How can you split a supposedly indivisible atom to release a lot of energy? Why was this discovery so controversial in the context of history? What does Einstein have to do with nukes? Are nuclear reactors good or evil?
We dive into the nature of the fundamental particles that make up everything in the world, and how we came to harness the awesome yet terrible power that is nuclear energy!
Anatomy of an atom
Nuclear chain reaction visualised
Gun-type vs implosion-type nuclear weapon designs
Half-Arsed History - Episode 197: The History of Nuclear Weapons
Kurzgesagt - Nuclear Energy Explained
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54 - Western Zodiac
What can star signs tell me about my personality and love life? (spoiler: nothing.) How did the Zodiac come about? Who is the mysterious, hidden thirteenth Zodiac sign?
Let's kick off 2024 not with pseudoscience, but some real astronomical science and fascinating Greek mythololgy stories!
Image of what the Zodiac band looks like, and each constellation
Rod of Asclepius vs Caduceus
Example of The Mentalist cold reading
Email: explainthiscast@gmail.com
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53 - Tobacco (and why you shouldn't smoke)
Why do smokers live 10-18 years fewer on average than non-smokers? What is in cigarette tar and why is it deadly? How can smoking cause impotence? Should I vape?
In today's episode, we do a deep dive and tackle the world's greatest cause of preventable death in human society: smoking tobacco!
Graph showing relationship between smoking and lung cancer prevalence
Diagram of lung anatomy
Photo comparison of healthy vs smoker's lungs
Email: explainthiscast@gmail.com
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Twitter: https://twitter.com/ExplainThisCast
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52 - Infinity
How can you squeeze in infinite people into an already full hotel? Are some infinities bigger than others? What's the relationship between infinity and zero?
Come explore the boundless, magical world of infinity with the help of some fantastical thought experiments!
Zig zag method to convert a grid into a line
Cantor's diagonal argument visualised
Möebius Strip II, 1964 - M.C. Escher
Ouroboros
Lemniscate symbol in Roman mosaics
Email: explainthiscast@gmail.com
Facebook: https://www.facebook.com/explainthiscast
Twitter: https://twitter.com/ExplainThisCast
Instagram: https://www.instagram.com/explainthiscast/
Youtube: https://www.youtube.com/@explainthiscast
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