Vsauce
The 10.3 Billion Year Gear
⚙️💎 Our Black Friday BOGO sale is going on now! http://www.CuriosityBox.com source
An Infinite Dilemma of Bliss and Suffering
Watch my video “how to count past infinity”: https://www.youtube.com/watch?v=SrU9YDoXE88 source
The Real Reason Flames Don't Have Shadows
https://www.wtamu.edu/~cbaird/sq/2015/12/01/can-a-fire-have-a-shadow/ https://www.wtamu.edu/~cbaird/sq/2013/06/21/how-does-plasma-make-a-campfire-flame-orange/ source
Thermite Balls
learn more: http://blog.teachersource.com/2010/06/13/great-balls-and-fire-smashing-steel-spheres/ source
Which Letter Is Never Silent?
https://www.merriam-webster.com/words-at-play/mums-the-letter-when-letters-dont-say-a-thing source
