Suppose you add up one plus two plus four plus eight plus sixteen plus… well, you get the point. Each number is twice as big as the previous one, so it's pretty obvious that this sum is...
this will be the puff stitch hat I am using 4 ply yarn a size I 5.5mm crochet I am going to start with the slip knot on my crochet hook take the tail, wrap it over in this direction now have a little...
JAMES CLEWETT: The end is nigh, Brady. Time is coming to an end, and I can tell you, actually, precisely when time is going to end. It's going to end at 3:00 AM, 3:14.07 on the 19th of...
Today we're going to count infinity. Now counting may seem elementary, like, when we say that we have five sheep, what we mean is that we have one sheep for every number from one to five. And...
E=mc^2 may be the most famous equation in the world… but what you might not know is that it isn't the whole story. It just describes objects that have mass and that aren't moving. The...
You may have heard that Einstein's theory of special relativity imposes a cosmic speed limit: nothing can travel faster than the speed of light. Well, that's wrong. All that Einstein...
There's been some discussion about the video where I claimed that 1+2+4+8+16 and so on is equal to negative one - apparently I'm on my way to math jail. But actually, adding up divergent series is an...
MATT PARKER: 0 is a perfectly good number. And you ignore it at your peril. The problem is it's a dangerous number. And a lot of things can go horribly wrong with 0. And because it is a slightly more...