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@UweHalfHand@norcal.social avatar

UweHalfHand

@[email protected]

Dad.
Norcal software engineer, ultrarunner, scheme hacker.
https://github.com/uhollerbach/wile is my scheme compiler

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4ish years ago when I bought a house I was convinced not to get a house inspection, would it be crazy to get one now just to make sure it's all good?

Was 25 and super nervous, so when the realtor was like “oh yeah they just check for basic stuff, but I looked around and it looks great” I was like “Oh okay, this is so astronomically expensive every penny saved is good…”...

UweHalfHand ,
@UweHalfHand@norcal.social avatar

@ericbomb Don’t get one now to make up for what you skipped back then, get one now as a checkup for what you might need to fix and for what you need to keep an eye on.

Does Mach speed change depending on the altitude?

Since the speed of sound depends on the air, which changes at different altitudes, are “Mach” speeds dependent on the altitude? Or is it basically just like 100 °C is the same even at altitudes where water boils at a lower temperature (in that it is a fixed speed based on the speed of sound at sea level)?

UweHalfHand ,
@UweHalfHand@norcal.social avatar

@gedaliyah yes. Mach number is defined in terms of the local speed of sound, and that varies depending on pressure and temperature. I don’t know exactly how much, but several percent at least?

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