I don't think "enormous costs" is a strong argument here. The annual MOT is usually under £50, and that includes a fairly comprehensive roadworthiness check and emissions check. A stronger argument would be that a car owner could change some settings on their car specially to pass the emissions check, and then set them back to dirty afterwards each year.
PSA: Flashing someone is never a signal that you're giving them priority. That is explicitly forbidden in the highway code and dangerous. Flashing someone, like using the horn, only means "I'm here, just in case you didn't see me". If someone flashes you, you should make your own determination whether it is safe to perform a manoeuvre, making no assumptions about anything that the person who flashed you might be seeming to be promising.
It's a "drop everything and patch" if you have a large multi-user server where you don't completely trust all of the users. Like say in a university with a server that students can log in to, like I have just had the joy of updating (and had RHEL break ZFS on me yet again).
But yes, in most other cases no it isn't a "drop everything" exploit - but it does mean one less layer in the multi-layer security, as unprivileged remote exploits now become root-access remote exploits.
I used one of these to win an inter-school science competition when I was ~13. It was a minute timer. The competition board doubted I had built it all myself, so they plonked it down in front of me and demanded I draw the circuit diagram in front of them.
To go along with these, aurora light consists of emissions at specific wavelengths, and this can potentially interact with the optical system of the camera you use to produce interference patterns. If you see these patterns (which can appear as rings of light and dark around the middle of the photo) then that indicates that a good portion of the light is at least monochromatic, which very strongly indicates aurora. If you don't see them, it means nothing - your camera might just not have an arrangement that does that.
Yeah. Recurring card purchases are hard to stop. They can keep going even after the card has been cancelled or expired. The direct debit guarantee is so nice in comparison.
I don't see the problem with this. It's inadvisable to try to stop the police from doing whatever they want to do if they assert that they have the right to do it. You then get the lawyers involved and sort it out afterwards. Comparing the timestamp on the warrant to the time of the police action should hopefully determine whether parallel construction is taking place.
True. I think the novel point is that on average, the emitter just isn't emitting. Normally, you can have a very simple piece of equipment that can pick up the fact that a signal source is emitting something, but then you need to get a more specialised piece of equipment to actually collect and decode the transmission. This just raises the stakes to having to have the specialised equipment to see that there is a transmission at all.
Brass instruments have a finger loop on the third valve loop, but it's not primarily for adjusting to just temperament.
Most brass instruments have three valves. The first lowers the pitch by a tone. The second lowers the pitch by a semitone. The third lowers the pitch by a tone and a half. If you need to lower the pitch by two tones, then you press the second and third valves at the same time, and that works fine. However, if you need to lower the pitch by three tones, then you need to press all three valves at the same time. However, that adds the length of all the valve loops together to the total length of the instrument, whereas to lower the pitch by a fixed interval you need to multiply the length of the instrument by a certain amount, and so to truly lower the pitch by three tones you need to add a little bit more length beyond that supplied by pressing all three valves together. That's what the finger loop on the tubing for the third valve is for, so you can slide it out a bit for certain low notes.