Please consider subscribing. I make videos to fund my children's education. SHARE VIA TWEET by clicking here: http://bit.ly/NRSAYi https://twitter.com/SmarterYoutube I hope you enjoyed this video. It took an all nighter to finish it before my flight to the rainforest! Awesome videos coming your way shortly! Artist Info: Sarah Xu, a student at the Vancouver Film School made the awesome introduction Drawing. http://captainpillow.blogspot.ca/ The math is accurate! The Music was provided by A Shell In the Pit: http://ashellinthepit.bandcamp.com/ CAT PHYSICS = SPACE TELESCOPE PHYSICS! How cool is that? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION: Reaction Wheels. Gauge Theory of the falling Cat: http://bit.ly/PF2eR2 http://www.springerlink.com/content/eqjpcglul1j9fb05/ http://www.imsar.ro/SISOM_Papers_2009/D27.pdf ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET STUFF SECTION: (If I did this right these should be working Amazon affiliate links to purchase the stuff I like to use. When people purchase from these links it will support Smarter Every Day.) ❓Mystery Item (just for fun): https://amzn.to/35Da8Gh Things I use and like: 📷Camera I use : https://amzn.to/2VSiruw Favorite Lens: https://amzn.to/2KPDQ1a Wide-angle: https://amzn.to/2SlPchR On-camera Mic: https://amzn.to/3aVVbjz Lav Mic: https://amzn.to/3aRek6r Hot shoe mount for Lav Receiver: https://amzn.to/35m6uAo My Tripod: https://amzn.to/2Yl6RtJ My Multi-tool: https://amzn.to/2zGm5Pz Favorite SD Card: https://amzn.to/2KQ3Edz 💾How I get footage off my phone: https://amzn.to/2KMem4K Travel Tripod: https://amzn.to/2zEa9Oi My Backpack: https://amzn.to/35jveJL My Headlamp: https://amzn.to/3deYmVt Favorite Bidet: https://amzn.to/2xnMG3b World Map: https://amzn.to/3aTFCZT Favorite Shoes: https://amzn.to/3f5trfV Everyone needs a snatchblock: https://amzn.to/2DMR4s8 🥽Goggle Up! : https://amzn.to/2zG754g Also, if you’re interested in a Smarter Every Day shirt etc. they’re really soft and you can get there here: https://www.smartereveryday.com/store ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Instead of saving for my kids' college, I make videos using the money I would have saved. The thought is it will help educate the world as a whole, and one day generate enough revenue to pay for their education. Until then if you appreciate what you've learned in this video and the effort that went in to it, please share the video. If you REALLY liked it, feel free to pitch a few dollars towards their college fund by clicking here: http://bit.ly/KidsCollege Warm Regards, Destin