• 

  World's Roundest Object! - YouTube

  https://www.youtube.com/watch?v=ZMByI4s-D-Y

  The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram. Support Veritasium on Patreon: http://bit.l...

• 

  How To Solve Microsoft's Rectangle Corners Interview Question - YouTube

  https://www.youtube.com/watch?v=bhMyvC7o97Y

  ABCD is a rectangle. Point P is 11 units from A, 13 units from B, and 7 units from C. What is the distance from P to D? Note: the point P could be inside or ...

• 

  Vsauce - YouTube

  https://www.youtube.com/user/Vsauce

  Our World is Amazing. Questions? Ideas? Tweet me: http://www.twitter.com/tweetsauce Vsauce was created by Michael Stevens in the summer of 2010. Vsauce is......

• 

  Vsauce - YouTube

  https://www.youtube.com/user/vsauce

  Our World is Amazing. Questions? Ideas? Tweet me: http://www.twitter.com/tweetsauce Vsauce was created by Michael Stevens in the summer of 2010. Vsauce is......

• 

  The Key of Awesome - YouTube

  https://www.youtube.com/user/Barelypolitical

  Welcome to The Key of Awesome! Comedy music videos, song parodies and comedy music sketches! Subscribe to see our latest awesome videos as soon as they come ...

---

---