On 2025-01-10 14:39, John Hasler wrote:
wasn't a defect in the Hubble telescope mirror caused by a misunderstanding between US/UK what units they were working in?Tomas writes:Past experience shows that we'll live with this for a while (watch the US still on their Imperial measures,Pedanticism: The US is not and never has been on the Imperial system. We use both SI ("metric") and US Customary (the latter predates Imperial).
mick
