On July 29th, 2011, the US Treasury Department showed that the United States had an operating cash balance of $73.3 billion USD. At the time, Apple’s recent financial results put its reserves at $76.4 billion USD. Apple has more money than the United States government. (via BBC)
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Isomorphismes: Things I've written that are meant... →
isomorphismes: Er, this is probably too late for most of the students revising for exams. Sorry, I forgot that happens this time of year. I used to be a good teacher, I swear! If it isn’t too late, I hope these short posts make useful study aids: How to multiply matrices. Determinant of a matrix…
Proof: isomorphismes: A beautiful depiction of a... →
isomorphismes: A beautiful depiction of a 1-form by Robert Ghrist. You never thought understanding a 1→1-dimensional ODE would be so easy! What his drawing makes obvious, is that images of Phase Space wear a totally different meaning than “up”, “down”, “left”, “right”. In this…
By 2050, with a projected population of 10 billion people and without a change...– Earth’s Systems in Rapid Decline (via kateoplis) Meanwhile: Debt-ceiling deal passes, wildlands, environment to suffer (via freudianflips) To put this in perspective a bit, if the world population lived like Americans do now, we would need 5 planet Earths to sustain consumption. Consumption...