grep isn’t what you think it means…

From LaurieWired. Ever wonder why your favorite UNIX command is called "grep"? And what the heck does it have to do with the Founding Fathers? Join me as we discuss linguistics research, Bell Labs, the American Revolution, and how it all resulted in the linux tool we all depend upon! — Timestamps 00:00 The Phone…

What’s at [0,0] in space? – Sixty Symbols

From Sixty Symbols. Professor Meghan Gray discusses space co-ordinates and what sits at position 0,0 in the sky? More links and info below ↓ ↓ ↓ From Prof Gray: “Mea culpa dear viewers – as rightly pointed out by several commenters, the pinch point of the analemma is not where the equinox occurs. Instead it…