I never understand how anything in those worlds work. I used to think that science was unchanging. At least the concrete details. Avogadro’s number, vacuum permeability, the lift equation. Those are all very real and set in facts. But these ports seem to bend those numbers and equations in nonstandard ways. Making it look like magic. [Because he ( Read more... )

At the center of almost every galaxy is a black hole. Not just any black hole, but a supermassive black hole. [A pause and the sound of him scribbling notes.] In fact, the Milky Way has one. It's 26,000 lightyears away from our Solar System. It's the size of Uranus, but contains 4.1 million solar masses. To put it into different terms- that's 4.1 ( Read more... )

[You can only see Capa's hands in this video, as well as the top of the desk. He's playing with a glass rattleback, but hasn't gotten around to spinning it yet.]

I wasn't the type of kid to play with dinosaur figures or collect the cards. I preferred telescopes. [Pause.] Newton's Cradles, magnets, gyroscopes. But these things...they were always ( Read more... )