What If

What If

Science, Theories, and Possibilities

What If Latest Episodes

Creating a New Planet

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Welcome to the Solar System construction zone. Today, you'll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like Earth? Where should this planet be located to be habitable? And how would this affect the rest of our Solar System? What are planetesimals?


Timeline:


00:00 Building your own planet.
00:39 Planetesimals and protoplanets.
02:50 Four key elements to constructing a planet.
05:08 Picking out the perfect location for your planet.


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Transcript and sources: Transcript


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Produced with love by Underknown in Toronto: Underknown

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Mullaperiyar Dam Collapse Scenario

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The Mullaperiyar Dam, a historical structure that predates your grandparents, faces the risk of sudden failure. Explore the factors that could lead to its collapse and the potential devastation for nearby communities. Understand the scale of damage from a dam breach and how a minor earthquake might trigger a major disaster.


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Aliens Living Inside Earth?

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Billions of years ago, a planet collided with Earth, possibly creating the Moon and introducing alien life. What remnants of this planet exist today? Could there be advanced humanoid aliens living within Earth's surface in subterranean cities?


Transcript and sources: What If Aliens are Living Inside Earth?


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Planet Earth: Earth
The Cosmos: Cosmos
Technology: Technology
Your Body: Body
Humanity: Humanity


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What If is a mini-documentary series exploring hypothetical worlds and possibilities. Dive into adventures through time, space, and chance, simplifying complex subjects in an entertaining way.


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What If All the World's Ice Melted?

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Ice caps on both poles of the planet are melting. If all this ice were to melt, it would be catastrophic. How much would sea levels rise? How would this impact global temperatures? What would this mean for life on Earth? Would coastal lands be completely submerged? What will happen to places like Denmark, the Maldives, and Singapore?


Transcript and sources: https://whatifshow.com/world-earths-ice-melted-2/


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space, and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


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What Happens If You Squat for 24 Hours?

•

OK, stand straight with your feet shoulder-width apart. Bend your knees, stick your butt out and squat. Great. Now do that again and again, all day long. How many squats would you be able to do? What would happen to your body? And would your butt be enormous by the end of the day? What will happen to your quadriceps, hamstrings, and glutes after this?


00:00 Can you do squats for 24 hours straight?


00:40 How many squats can you do?


03:10 Soreness, potential injuries and how to avoid them.


05:26 Finishing the squat marathon.


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


Produced with love by Underknown in Toronto: Underknown


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What If You Lived in the Matrix?

•

Twenty years later, the Matrix is once again asking us to make an ultimate choice. Would you rather live comfortably in the Matrix or wake up in a terrifying reality? Well, brace yourself. This computer now controls your life down to the last detail. What if your world was a simulation? Could you ever trust your senses? Would you find glitches in the code? And if this is a simulation, who's running the program?


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The Solar System Song

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Dedicated to Sullivan Jones (2012-2022), a bright young What If fan and part of the Underknown family forever. RIP


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space, and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


Produced with love by Underknown in Toronto: https://underknown.com
Contact us at https://underknown.com/contact/

Show notes

Waking Up Volcanoes to Fight Climate Change

•

Several volcanoes around the world are being woken up on purpose. The mission? To use volcanic eruptions to protect the Earth from global warming. In what ways could you activate a volcano? How could you do this in the safest way possible? And would this save the planet or create more climate chaos? How will they stop climate change? What is solar geoengineering?


Transcript and sources: whatifshow.com


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


Produced with love by Underknown in Toronto: underknown.com
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Show notes

What If You Experienced the Most Painful Thing?

•

What's the worst pain you've experienced? A broken bone? Touching something hot? Maybe stepping on a sharp toy? In this What If experiment, discover what real pain feels like. What would be the most painful experience you could have? What different types of pain would you feel? And why could this pain be good for you? How does the nervous system respond to pain? Why is trigeminal neuralgia so painful?


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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


Produced with love by Underknown in Toronto: here.


Show notes

If the World Lost Oxygen for an Hour

•

Imagine if all the Earth's oxygen disappeared, just for an hour. Could you hold your breath that long? What would happen to the atmosphere, and could Earth recover from this global suffocation? Explore the effects on your inner ear and the potential disappearance of the ozone layer.


Transcript and sources: whatifshow.com



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Get our 100 best episodes in one mind-blowing book: bit.ly/ytc-the-what-if-100-book


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Check out our other shows:


Watch more what-if scenarios:


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Suggest an episode: bit.ly/suggest-whatif

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What If elsewhere:


What If in Spanish: bit.ly/YT-Spanish-what-if

What If in Mandarin: bit.ly/YT-Chinese-what-if

Podcast: bit.ly/yt-what-if-show-podcast


What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space, and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.


Produced with love by Underknown in Toronto: underknown.com

Contact us at underknown.com/contact

Show notes