Wow. I'm really excited that Henry Reich, who's behind the absolutely brilliant series of animated physics explainers Minute Physics, included me in his video list of "the most consistently awesome ...

With a clever demonstration that pits two giraffe owners against one another, Henry explains how, if two people are positioned at different vantage points, should they take a measurement of something ...

Any journey through time and space is bound to get a little wonky. How can you have free will travelling through time if the past has already happened? What happens if you meet your past self? Why did ...

Any journey through time and space is bound to get a little wonky. How can you have free will travelling through time if the past has already happened? What happens if you meet your past self? Why did ...

I’m not going to lie to you: I have smart friends, and they are also crazy talented. They inspire me, and it’s no surprise that they inspire each other, too. To wit: My friend Henry Reich, who creates ...