Coming from Debian, it was...not expected. I understand how and why it happened, but the user experience was surprising.
Debian keeps the previous kernel around, which makes perfect sense to me
in the event that a kernel update borks your system you can just load the previous one. This would probably only happen due to out of tree modules (looking at you, Nvidia...).
Coming from Debian, it was...not expected. I understand how and why it happened, but the user experience was surprising.
Debian keeps the previous kernel around, which makes perfect sense to me
in the event that a kernel update borks your system you can just load the previous one. This would probably only happen due to out of tree modules (looking at you, Nvidia...).
Linux distros can still do...questionable things. In grad school I tried Arch for a bit, and I once was late to a video call because I had updated my kernel but did not reboot. Arch decided that because there was a new kernel installed, I didn't need the modules for the old
but currently running!
kernel, so it removed them. So when I plugged in a webcam, the webcam module was nowhere to be found.
But yeah...somehow, still not as bad as Windows updates.
Yeah, but do they like Huey Lewis and the News?
Hey Paulina!
Our Internet went out for a few hours today, so naturally my smart switches, lights, cameras, motion sensors, door sensors, and power monitoring... continued to work as of nothing was wrong.
Home Assistant is great, and using local-only devices is awesome. If my smart home stops working it's my own fault, not some 3rd party.
OTOH, if you can afford basic necessities, hobbies are just a rounding error on top of them.
Your numbers seem reasonable
more intuitive for me to work in terms of pressure. Atmosphere is (roughly) 1e3 Torr, good UHV can be around 1e-10, so that's 13 orders of magnitude, which is (roughly) the same difference that you calculated.
I am becoming increasingly more appreciative of the fact that I have root access to "my" company provided work device.
Aluminum foil is very common in physics labs. And a main use for it is "baking"! To get ultra high vacuum (UHV)* you generally need to "bake out" your chamber while you pump down. Foil is used same as with baking food
keep the heat in and evenly distributed on the chamber.
Sadly, it's usually not food grade aluminum foil, as that can contain oils, and oils and vacuum are generally a big no-no.
*Just how good is UHV? Roughly: I live in San Francisco, which is ~7 miles by ~7 miles (~11km). Imagine you raise that by another 7 miles to make a cube. Now, evacuate every last molecule of gas out of it. Now take a family sedan's trunk, fill it with 1 atmosphere of gas, and release that into the 7 mile cube. That's roughly UHV pressure.
Is he coping or just surviving?
PhDs in many fields, particularly the physical sciences, are funded. Lost wages are real of course, but you can often come out the other side without accumulating any debt.