Physics
At Mind Matters News: A physicist defends imperfection in our universe: It’s essential
At Mind Matters News: Some elements of our universe do not make scientific sense
Isaac Newton’s whole career, we are told, was a pursuit of the divine
String theory again: Will a correction to Einstein save it?
Why (some) physicists think a multiverse exists
The reality of “imaginary” numbers — discovery, not invention
Over at YouTube, there is a bit of history of Math, on study of cubic functions — and yes there is as usual, some less than exemplary detail — that led to the “invention” of imaginary numbers: Now of course, I contend that this was discovery not invention (I often don’t buy Veritas Sum’s narrative, but here is a way to see the story). In News’ thread on i, I commented at 33: your definition [– Eugene at 8: “there exists such a pair of real numbers (0, 1) that (0, 1) * (0, 1) = -1, where “*” is the specific multiplication rule defined for these types of pairs” –] is tantamount to describing the role of sqrt – Read More ›