HiPER Calc Pro. A great scientific calculator I use constantly. (There is also a unpaid, ad-supported version, and the ads weren’t too intrusive the last time I tried it)

A small pair of vernier calipers. I don’t use them a lot, but sometimes they come in very handy.

If that freehub is constructed like the ones I’ve taken apart before, you’re out of luck. Like you suspected, the teeth lock the rotation of the freehub to the hub, unless the screw in the back is taken out first.

You can try hammering in a (slightly larger) torx key or using an easy-out (probably won’t work if it’s very tight).
As a last resort, you could try to drill out the screw (only so far that the freehub comes off, you don’t want to drill into the hub). Then you should hopefully be left with enough left of screw to grab with a pipe wrench.

My router is called Jupiter, everything connected to it is named after a moon. Callisto, Ganymede, Thelxinoe, Kallichore are what I’m currently using.

IIRC, this is actually done at some point in the books.

You can host a Firefox sync server yourself. You could run that on something like a Raspberry Pi in your local network. If you need remote access, use something like cloudflare tunnels (although I guess that’s something else to be paranoid about).

Windows is clearly superior. If you’ve had enough of the settings app, you can just switch to the control center!

It is more efficient to have a ship moving with cargo than without, but that doesn’t mean there aren’t additional emissions. The ratio of profit to effort is just higher because there is some profit as opposed to none. You wouldn’t load a ship up with useless mass you can’t sell just so you’re shipping something.

Your argument is like always running the heater in your car because that way the engine heat is at least used for something. Yes, technically the efficiency goes up because more of the energy in the fuel is harnessed. But that doesn’t mean the fuel usage or emissions are any lower, and in the summer the heater doesn’t do you any good either.

That’s why I don’t let every device decide individually. I know my router (FritzBox) prioritizes the pi-hole (it’s even called “preferred” and “alternative” DNS-Server in the UI)

I have my pi-hole setup as the upstream DNS in my router, with cloudflare as a secondary DNS. That way, all my devices always use the router for DNS (since that’s what is advertised in my DHCP) and the router then uses pi-hole if it’s available, or cloudflare if it isn’t. But the individual device doesn’t get to choose between different servers.

That study states that brain damage can cause more conservative views, but the reverse isn’t true. Not everyone with conservative views has brain damage.

I’m guessing it’s about documenting the assembly of safety-critical components. If some part of, let’s say an airplane fails because a bolt comes loose, the manufacturer wants to have a paper trail attached to it to prove that this specific bolt was indeed torqued to the correct spec. Connecting the wrench to the network could make this documentation much easier.

Matlab

I have the exact same setup and also didn’t get the warning yet. Maybe pihole stops the AdBlock detection?

One of my monitors has had a couple of dead pixels for a couple of years. I still find myself wondering sometimes if that dark spot is part of the image or just my crappy screen.

Incandescent oven bulbs will probably not be replaced, simply because there is no reason for it. The “wasted” energy from an incandescent bulb is expelled as heat, and extra heat in an oven is not a problem. You can describe the bulb in an oven as a tiny heater that just happens to give off a bit of light.

These brakes are single-pivot side-pull caliper brakes. They can work well, but only if they are well made - I personally never had much luck with Weinmann brakes.

For the rear brake, pretty much the only thing you can try is replacing the brake pads. The front ones don’t look very worn, but the rubber gets hard with age and loses its effectiveness.

The front brake looks broken beyond repair. The part I circeled red should be attached to the green part, but the connecting part seems to have broken off. You might be able to find a replacement, but I would recommend replacing the whole brake for a better one.