Luc

Do you mean like a bass sound? Any idea what frequency?

As someone who can’t hear high pitches at all, I do recognise this funky bouncing of frequencies at the edge of my hearing range (probably around 15 kHz, I haven’t precisely measured it). It’s surprisingly hard to locate sound sources when you only hear them when you’re facing a certain angle in a certain spot in the room! These are always too quiet for my phone to pick up, so that’s no help sadly

I wonder if there’d be a market for a variant of a phone model that is just all-round decent, but has a better microphone and other sensor upgrades. I run into the sensor limits a lot (probably weekly) but also don’t want to permanently run around with a bulky sensor board in my pocket :<

Probably related: apparently (some?) people can learn to use echolocation. Particularly useful for blind people of course, but I’ve read it’s too much effort and too limited compared to the alternative solutions so that it’s generally not considered worth pursuing. Naturally I had to try it myself: distinguishing the distance to one wall isn’t hard at all, at least coarsely; the difficulty seems to be in rapidly (while walking) finding smaller objects (especially ones that dampen sound), figuring out angles if you’re not facing or precisely perpendicular to a wall, and dealing with background noise

With your superhuman hearing, maybe you’d enjoy casually learning to do this at some level and getting some use out of the hearing sensitivity :)

All lights? Also battery-fed DC lights somehow?! I’m no expert but that seems strange

I’ve caught a lot of lights and light-emitting displays flickering with the 980fps camera that’s built into my phone (best thing since sliced bread for a nerd like me), but also quite many lights appear solid. I’d imagine few have such high-frequency electronics that it pulses well beyond 1 kHz. Otherwise the sensor should sometimes capture a frame during a low or a peak

As an example, I was recently looking at car lights in Germany, expecting to see duty cycling in most modern ones, but the majority (2/3rds or so) were actually solid so far as I could tell. A few cars had a mixture of flickering and solid lights in seemingly the same fixture. All flickering ones were high frequency though, not like 50 Hz as grid-fed lights do but much more. I didn’t bother with ffmpeg and counting frames but I estimated on the order of 250 Hz for one of them

You’re saying I can learn to see with my buttocks if one puts the right kind of lens in front of it and the light is sufficiently intense?

I definitely can’t hear high frequencies (I’m assuming due to ear infections as a child, feels mildly unfair that other people my age get to hear and understand conversations better but oh well) but coil whine is a thing for me as well.

Had a router once that would whine depending on the network packet rate. My computer screen makes a noise when displaying large grids like a screen full of terminal text or a mostly blank spreadsheet. The led lights in my bathroom make a noise and I often turn them off while transacting my business. My Bluetooth headphones make similar noises depending on the connection state but that one is probably interference and not coil whine

It happens at all frequencies. Although you don’t need to be able to hear special frequencies for it, of course you’ll hear it in more places if you have superlucg hearing ^^

Do you have an example of something you can make out that an average person probably can’t?

That’s the idea anyway. In practice, half the apps ask for it on first setup so (tech-illiterate) people are expecting the prompt and know to click yes next finish

It’s still the developer’s choice when the prompt is shown, just that it moved from AndroidManifest.xml to executable code so now they have the option to not ask until it’s actually needed and handle denies gracefully (in practice, half the apps just close if not every useless thing is granted)

I also seem to remember it’s a policy of Google’s that permission mustn’t be asked until required, but if I remember this right, I’m either not using enough of their store-vetted adware or they’re not checking this properly

Planet 9 a conspiracy theory? Who’s conspiring against whom there :|

Afaik it was a legit theory since we discovered planet 8 that way and then people tried to use the same method for further planets. Also beyond Mercury there was supposed to be Vulcanus and people reported sightings but nothing added up

Discovery of planet 8 (Wikipedia):

unexpected changes in the orbit of Uranus led Alexis Bouvard to hypothesise that its orbit was subject to gravitational perturbation by an unknown planet. After Bouvard’s death, the position of Neptune was mathematically predicted from his observations, independently, by John Couch Adams and Urbain Le Verrier. Neptune was subsequently directly observed with a telescope

And then Mr Einstein had a thing or two to say about those gravitational disturbances being actually relativity and most things clicked into place (but you’ll still have a discrepancy between the known spacetime curving and observed orbits because it’s hard to know what mass is exactly where in the Kuiper belt etc.). Or something. I’m probably wrong on the details but that’s the broad strokes as I remember them

We didn’t get planet 9 in school either fwiw but I think it was in magazines or encyclopedia at my grandparents’ place that I heard of it

Not often, but those “agree to extra terms to continue viewing the content that you were already looking at for 0.9 seconds” pop-ups (cookie walls and the like) sometimes pop the agree button exactly under where I’m clicking, or activate the button with spacebar that I was just using to scroll down a page

Always wonder if it is a valid legal defense if the pop-up can be dismissed faster than it is possible to read them, but I’m afraid of the potential global consequences if I were to challenge that

almost always a strawman

Tell me what party should I vote for then :(

“… or through inaction, allow a human to come to harm.” (https://en.m.wikipedia.org/wiki/Three_Laws_of_Robotics)

You can stand by and do nothing if that’s the lesser evil choice

There it is… now I’ve got Tetris tune stuck in my head! Thank you good sir for this great gift! x)

I don’t know

(https://barrypopik.com/blog/three_logicians_walk_into_a_bar)

If you have a lot of intrinsic motivation, Anki will probably make you learn the languages the fastest (or maybe you pick one of the two, idk how Norwegian Bokmål and Nynosk interact)

If not, some gamified thing like Duolingo keeps a lot of people engaged for ages apparently. Keep in mind that even their scientific papers are using engagement as the metric by which they score different spaced repetition parameters, not lesson retention. My grandma has been doing English for a year and I have yet to hear her speak two words, but she loves the characters and enjoys it a lot and that’s the important thing for her ^^. If you’ve already got the book for the in-depth part, this could be a way to supplement by building a habit of daily learning

I’d guess that most other software is somewhere in between, at least on learning efficiency (like listening to audio books as someone else suggested: ok that’s great and engaging, once you have a solid foundation at least, but it’s only listening comprehension and you already need to know a lot so the further learning is somewhat limited)

What game are you changing exactly with this?

You mention 150€/day in the comment thread. I’m struggling to think where in the world you couldn’t stay on that budget if you spend some time looking for cheaper accommodation (hostel or something like airbnb) and mind a bit where you eat. Australia seems (per Wikipedia) to have the highest minimum wage at 18$/hour, ×8h to € comes to 127€/day. Sure, temporary accommodation costs like five times more than more permanent places, but in terms of food and transport you can pretty much do whatever the locals do so that, on the whole, you should be able to meet that budget pretty much anywhere

In Europe, Iceland might be the only place where you’d really have to plan ahead to get to an average of 150€/day as tourist. It’s Europe’s most sparsely populated country and lots of things need to be imported, making essentials like food expensive and accommodation options few and far between. If you don’t want to drive a long distance every day (outside of the wider Reykjavík area at least) you’ll easily spend three quarters of that daily budget on accommodation, and with food being expensive even in supermarkets and needing a rental car to get anywhere, you’ll exceed the budget on a lot of the days

So that’s challenge mode! I’m curious what values people who tried to cheapskate Iceland get to. We were at 290€/day for 2 persons. That’s including the rental car, eating out most days (not at expensive places necessarily, but sometimes simply the only place), and we booked reasonably priced but not always the cheapest option for accommodation. This price excludes costs of attractions like the lava show, boat tour, swimming pool, etc.—the country is plenty beautiful to travel to without needing those necessarily, though I’d recommend all of the above. This amount is for 2 persons, but the car and rooms don’t scale much when you’re alone so a per-person cost price wouldn’t be fair

Before you buy the other plug standard for your place, please check legislation and insurance terms. It may affect liability if you install a nonstandard plug

Most devices I have are compatible with both, perhaps because Netherlands and Belgium are similar markets (because Flanders) and Belgium uses French plugs, so loads of products made for the Dutch-Belgian market will be compatible with both plug types. The only product I own that isn’t French-compatible is from Germany, not sure if that’s an exception or the norm there, but I guess what I’m trying to say is that it might also simply not matter which one you install since it’s easy and common to make universal plugs for these two socket types

The cross-section between high volume and easy to make

• Vegan replacement products? Easier to make than animals, but low volume so it’s more expensive than it needs to be (and often in a higher tax bracket, classified as candy or whatever)
• Eggs? Needs healthy animals
• Bananas are clones of each other. Might become an issue at some point, might not. Apples, too, but there’s many more variants
• Maize, tomatoes, potatoes? Grown by the bazillion, cheap, afaik needn’t be clones of each other to get (something close enough to) the desired product
• Rice? The pre-boiled stuff is afaik around the same price as the raw product, that’s how large the volumes are

Just as a small note just in case, since this data is quite irreplaceable: raid isn’t backup. Especially if the drives are of the same model, they’re fairly likely to fail at the same time. Speaking from experience sadly

I use restic for off-site backups, hosted with a friend