On 1/10/25 15:30, mick.crane wrote:
> On 2025-01-10 14:39, John Hasler wrote:
>> 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).
> wasn't a defect in the Hubble telescope mirror caused by a misunderstanding
> between US/UK what units they were working in?
I'd heard it was a failure to account for the effects of non-gravity on the
main mirror. The Mars Climate Observer was doomed by one team using
imperial instead of metric, and applying the wrong impulse because of it.
--
Friendship is born at that moment when one person says to another:
"What! You too? I thought I was the only one."
-- C. S. Lewis
