Hilbert’s hotel is a thought experiment by the German mathematician David Hilbert: a hotel with infinitely many rooms. What if it is full and one more guest turns up? What about 40? What about an infinite bus full of new guests? Jeff Dekofsky solves the housing problem. A TED-Ed lesson by Jeff Dekofsky, animated by The Moving Company Animation Studio, in Russian.
Particles come in pairs, so the universe should hold equal amounts of matter and antimatter. Yet no antimatter shows up anywhere in the visible universe. Where did it go? CERN scientist Rolf Landua goes back to the second after the Big Bang to explain the imbalance we owe our existence to. A TED-Ed lesson in Russian.
In 2012 CERN found evidence that the Higgs boson exists. So what? The Higgs is a key piece of particle physics, and finding it confirms the theory of how mass arises. CERN’s Dave Barney and Steve Goldfarb explain what follows. A TED-Ed lesson in Russian.
A slightly old video of Bill Gates on Windows 8, Windows Phone 8, the new interface and the Surface tablet, in Russian. Worth comparing his predictions with what happened.