For a long time, the Kakeya conjecture, which involves rotating an infinitely narrow needle, kept mathematicians ...

And that took a while to figure out. Certainly, in the beginning, she was sadly one-dimensional in many ways, but the gift of a TV series that starts working is you get time to learn.” ...

In the middle of the TV is an upside-down pink triangle crossed out by a red "no" symbol. The pink triangle was used as a badge to identify gay men in concentration camps, and many received ...

Russia has hit on an "offensive triangle" of tactics that are forcing ... or autonomous systems to keep and kill the enemy at arm's length." What Russia is really doing is what it should have ...