There's two types of military SONAR: active and passive. Active SONAR is using pings and listening for the echo, but it's not very commonly used by submarines. Passive sonar is just listening out for engine noise from ships and prop noise from other submarines. Warships use active SONAR more because they're already noisy and so if they think an enemy submarine is in the area they'll use it to try and locate, but in peacetime it's mostly reserved for training exercises. It's still terrible for wildlife, even if they don't die it's very distressing and disorientating but it's not constantly scanning like a RADAR.

The yellow and black flag is the ancap (anarcho-capitalist) flag. The rattlesnake is a libertarian icon and says "don't step on me". Bitcoin was built out of a libertarian idea that the government was to blame for the 2008 GFC because they somehow regulated the banks too much, so a decentralized digital currency was the best way to get around that regulation. ETA: the black and white US flag with the blue stripe is the "thin blue line" flag, flown by supporters of the police, typically a symbol used by the right wing of America. The three interlocking triangles form the valknut, a symbol used by ancient Germanic people's, and currently used by people who identify with Germany and the Vikings; white supremacists make up a large group who fit this description.

The red and black flag is an anarchist flag, a combination of two older anarchist flags: the black flag and the red flag. The ancap flag is descended from this one, replacing the red with gold (because gold is a very old and widely used form of currency, and money good, government bad). The purple and black one is the anarcha-feminst flag, and they also use the pink and black flag, but it's primarily seen as the queer anarchist flag. I'm sure I don't need to explain the LGBT+ flag. All Cops Are Bastards (ACAB) is a popular slogan amongst anarchists because cops are the strong arm of the state, and as such Black Lives Matter is a movement that a lot of anarchists strongly identify with and support.

I watched it instead of doing an assignment in high school. Made a lot of sense and little difference.

Hospitals will generally have ring cutters like this:

They are hand powered and very cost effective for gold and silver rings. Diamond tipped cutters usually need something like a Dremel to power them. They look something like this:

.

They are much more expensive compared to hand powered ones, and pose a higher risk to a patient so they would require additional training to use it, which is another extra cost.

Australian white ibises. They're kinda like the Australian equivalent to a raccoon in the US; they eat rubbish and their roosts stink because they tend to congregate in a single tree and then shit everywhere. But they are quite unique looking birds: long beaks, black heads and white plumage. So the tourists find them quite interesting and the locals call them bin chickens.

You're all forgetting the Harkness test

JUST WIPE IT OFF WITH A DAMP CLOTH YOU FUCKING HEATHENS ITS NOT THAT HARD

Edit for context: I am a barista. All you have to do is have a damp cloth on hand when you finish steaming the milk to wipe down the wand. Takes maybe 30sec total, including finding and dampening the cloth before you start.

Yes, but they're calling it a "Stanley cup"

Surely you'll get terrible chromatic aberration. That's got to be the only reason it's never been made commercially available.

Lemmy is like Reddit, but with an even greater concentration of Linux and FOSS nerds, so the likelihood is extremely low.

It's a suspect and an alleged crime until they're convicted. Media outlets and journalists have been sanctioned by judges for not presuming innocence.

Fuck Pearson. Absolute leeches on society.