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http://youtu.be/h1PZd6rA_eU The good old days before electricity... Did we actually have it better before that first power plant started running? What if everyone on Earth tried getting by with all their lights turned off? We'd start the challenge with a perfect Earth Hour. 60 minutes of complete darkness - no artificial light allowed. Transcript and Sources: About What If: Presented by INSH and Hashem al Ghaili What If asks some of the most provocative hypothetical questions in science — and then tries to answer them with the help of established scientific theory and the latest research. Follow what-if on Instagram for bonus material: https://www.instagram.com/what.if.show/ Produced by http://insh.world Follow the show on Facebook Watch: https://www.facebook.com/What.If.science...

http://youtu.be/e2Si67zozpI In 1044, the Chinese invented gunpowder. And we've been getting into trouble ever since. Fireworks are cool, nuclear warfare is not. And nuking the Moon? Doesn't that sound just plain crazy? What would happen? Would we even see the blast? How would we be affected by the fallout? Would we even survive? Transcript and sources: https://insh.world/science/how-bad-could-things-get-on-earth-if-we-nuked-the-moon/ About What If: Presented by INSH What If asks some of the most provocative hypothetical questions in science — and then tries to answer them with the help of established scientific theory and the latest research. Follow what-if on Instagram for bonus material: https://www.instagram.com/what.if.show/ Produced by http://insh.world Follow the show on Fa...

http://youtu.be/nFFLnO6e0Es It might be the worst date on your weekly calendar, but it's a date that you definitely don't want to stand up. Garbage Day. You tie it all up into neat, plastic bags, haul it outside, and, like magic, your home smells fresh again, and that makes you happy. Yes, we believe in the "magical world of trash"; out of sight, out of mind. Did you know that the world produces 1.2 billion tonnes of waste every year? Transcript and Sources: https://insh.world/science/what-if-we-sent-all-of-our-garbage-into-space/ Follow what-if on Instagram for bonus material: https://www.instagram.com/what.if.show/ Follow the show on Facebook Watch: https://www.facebook.com/What.If.science

http://youtu.be/CS3bBO05fpU In a world exhausted of fossil fuels, solar panels can provide a sustainable solution to our energy problems. But they also come with a couple of issues: for one, solar farms are massive, and they have to be set up somewhere that gets a lot of sunlight. Now, if only we had a large mass of unused land that gets guaranteed sunlight everyday… Could we cover an entire desert in solar panels? Would that be enough to power the entire world? What kind of problems could we run into? Transcript and sources: https://insh.world/tech/what-if-we-covered-the-entire-sahara-desert-with-solar-panels/ Watch more what-if scenarios: Planet Earth: http://bit.ly/whatif-YT-Earth Cosmos: http://bit.ly/whatif-YT-Cosmos Technology: http://bit.ly/whatif-YT-Tech Your Body: http://bit....