My mother was an old lady, she’d lived a good and useful life, and she died a year and ten days ago. I hadn’t been keeping track of her death’s anniversary but I didn’t need to; I only had to figure out why I was walking around feeling, for no good reason, sad. One of […]
oscillation
I’ve kept an eye on neutrinos ever since I heard, back in the mid-1980’s, that not enough of them were coming out of the sun; this sounded serious. It turned out that the sun was behaving itself but the neutrinos weren’t. On its way out of the sun, any given neutrino was changing into three […]