TauZero

joined 2 years ago
[–] TauZero@mander.xyz 10 points 1 week ago (1 children)

can be configured per application

wireguard can too using network namespaces

not exclusively as an interface in kernel mode

Which devices are you people running where you want VPN/proxy but don't have kernel permissions to run wireguard? Firefox on iPhone? Porn on wifi washing machine?

[–] TauZero@mander.xyz 9 points 1 week ago

but hopefully for the last time

That's what they said last time. "Never again" etc.

[–] TauZero@mander.xyz 17 points 1 week ago (4 children)

Curious, what is SOCKS5 used for that regular wireguard cannot do? I'm only familiar with the use case of telling Firefox to connect through a SOCKS5 proxy, which may be convenient as a form of split tunneling - only firefox traffic goes through the VPN and everything else through clearnet - but wireguard can be configured into a split tunnel form as well with a bit more work, and works for all software not just the ones aware of SOCKS proxies. Is it for use on a system where your permissions are too limited to turn on wireguard but not so limited that you cannot change Firefox proxy settings?

[–] TauZero@mander.xyz 1 points 1 week ago

Talescale is a VPN, "private network" is what P and N stand for. It's just one with only forwarded ports and no outbound traffic. The question was are forwarded ports important, and yes they are. So important that some users pay for a VPN twice! Once for something like Mullvad with no port forwarding, and once for Talescale for port forwarding. It's true it has benefits like static IP, but even on my commercial VPN I get the same forwarded IP and port when connecting to the same server, so I don't want to pay twice.

[–] TauZero@mander.xyz 14 points 1 week ago (2 children)

In theory, the rich can just continue paying off each other spending money on rich people stuff. 80% of the economy consisting of activities like robot-staffed billionaire-owned construction companies making and selling super-yachts to oil billionaires, who made their fortune selling fuel to space tourism companies ferrying billionaire designer bag heiresses to the Moon. The rest of us can starve to death and the economy won't even blink.

[–] TauZero@mander.xyz 19 points 1 week ago (1 children)
[–] TauZero@mander.xyz 2 points 2 weeks ago (1 children)

Using dd to move-resize a partition by writing down the cylinder numbers and moving it piece by piece like some Tower of Hanoi. Wanted to add more space to my root after deleting the Windows partition, which happened to be first. There is apparently no built-in command to do that.

Booted up fingers crossed and everything worked.

[–] TauZero@mander.xyz 1 points 2 weeks ago

one of those will be interpreted as aggressive and the other submissive

No choice then. Odd letters of the alphabet gets capitalized, even letters get downcased. That way you need to learn only one glyph for each still, but nobody will interpret you as BDSM.

[–] TauZero@mander.xyz 15 points 2 weeks ago (11 children)

Capital letters give shape to lines of text on a page that make it easier for the eye to skim. Sure, they don't add any additional information that the period does not already have (and proper names are mostly vanity), but try reading page after page of all lower-case. It will take longer and comprehension will be lower. This is the same reason why some letters extend above and below the line - makes decoding words easier by giving them shape.

You can try it out yourself by saving this bookmarklet and using it to downcase a page! (Create new browser bookmark and paste "javascript:..." as the URL)

javascript:for (e of document.querySelectorAll('*')){for (c of e.childNodes){if (c.nodeType === Node.TEXT_NODE) c.textContent = c.textContent.toLowerCase()}}; void(0)

Come to think of it, the ease-of-read effect does look more pronounced on a full page of text rather than someplace where every post is a single sentence.

[–] TauZero@mander.xyz 3 points 2 weeks ago (2 children)

Yes! Cancels out, leaving only a very slight edge on door 2. All that work for only... 2.77% edge over picking at random. What a troll problem, huh?

[–] TauZero@mander.xyz 2 points 2 weeks ago (1 children)

I agree that OP is in the best position to report the crime to the police - they are closest to the police station, they have video evidence, they literally know who the thief is - but it should not be their responsibility! OP has done nothing wrong and there are no measures they could have taken to prevent this crime (other than not shopping online at all). If OP gets a police report, OP is taking up the task of being the victim, and then BestBuy has no legal obligation to refund them at all, other than out of the kindness of their heart. Rather, BestBuy is the victim in this crime, same as if the item was stolen off the shelf at their warehouse and scanner records forged. It is their responsibility to file a police report, if they want the numbers in their system to add up. Only then could they ask OP to kindly provide the video evidence to help them out, and they'd be lucky if OP would give it to them, having no obligation to do so.

 

Shamelessly stolen from you-know-where.

 
 

Needed a replacement 700C front wheel for my commuter bike after the old aluminum rim exploded like a looney tunes cannon. It's hard enough to find the right size when there are 3 competing tire/rim sizing systems currently in use, it doesn't help when the people selling the wheels have no idea what the numbers mean either! All of these examples are from separate storefronts at the big online store. Ended up buying the wheel identical to mine from my local bicycle shop at the same price as online and with no shipping fee or delivery time.

The 3 systems in use are the American customary inch fraction notation like 26x1+3⁄4 (which is NOT interchangeable with American customary inch decimal notation like 26x1.75), the French metric notation like 650x45C, and the ISO 5775 metric notation like 47-571. I found the wikipedia conversion tables and Sheldon Brown's tire size chart invaluable.

 

OC just for you! ♥️

 

The recent post made me fear that a lot of you are taking this "monkey looks at double-slits" meme, which was only ever supposed to be a funny monkey meme, actually seriously. Honorable mention goes to @kromem@lemmy.world, whose 12 posts on the topic, insisting that the quantum eraser experiment (but not the delayed-choice quantum eraser!) proves that the double slit is somehow bizarre, forced me to make my own meme. This meme explains the (non-delayed choice) quantum eraser paper from arXiv:quant-ph/0106078 and the figures are numbered to reference the paper.

First of all, looking at the photons, you the conscious intelligent monkey, MAKES NO DIFFERENCE. You can't actually "see" the photons going through a slit the way you could see say a bowling ball. The only way to detect a photon is to absorb or reflect it, and if the photon is getting absorbed by your eye that means it's not going through the slit or hitting the screen. The interference pattern stays visible on the screen WHETHER OR NOT YOU LOOK AT IT.

They've lied to you when they said the pattern changes when you "look" at which slit it the photon goes through. What the physicists actually do to measure the "which path" information is they put these circular polarizer filters in front of the slits, one clockwise one counterclockwise. Then the pattern disappears and you get this one single blob of density (Not even double! Figure 3). This is because light polarized in opposite directions cannot interfere with itself - wikipedia calls this the "Fresnel–Arago laws". In principle you could have put a polarization detector in place of the screen and record which way the light hitting it is polarized, which would tell you which slit the photon must have went through. The physicists DON'T EVEN BOTHER DOING IT. The fact alone that the light is polarized when it hits the screen is sufficient to destroy the interference pattern.

Well, NO SHIT. You put these giant 3D glasses in front of the slits and you still expect to see interference? This is very much a "mechanical interaction", not some "non-obtrusive conscious observation". Everything that destroys coherence will ruin your quantum experiment! Mystery solved!

So what about the quantum eraser, @kromem will ask? Popular science has created this myth that you can look at the screen and you can make the interference pattern literally shimmer in and out of existence by just flipping a switch, connected to second detector positioned elsewhere, turning it off and on. An action at a distant place (the detector POL1 observing "twinned" entangled photons created by this fancy nonlinear barium crystal before the slits, Figure 1) changes whether light over here behaves as a particle or a wave, right in front of your eyes. Spooky action at a distance, right?

THIS FUCKING DOESN'T HAPPEN. The monkey will see the single blob from Figure 3 and only single blob, no matter whether it turns the second detector on or off! The interference pattern will NEVER shimmer back into existence. The light never switches between behaving like a wave and behaving like a particle. It always behaves the same way, all the time, everywhere in the universe - like fucking light!

So what do the physicists actually fucking mean when they say the interference pattern is "restored"? If you observe the photons hitting the screen one at a time and you correlate them with simultaneous detections at detector POL1, you can mark those events as either "yes coincidence" category A or "no coincidence" category B. If you look at just all the category A events (Figure 4) you will see an interference pattern, and just category B you will see another (Figure 5). You cannot see these patterns by eye on the screen! You have to use a computer to record the events individually and separate them, you will only ever see a single blob by eye. The two interference patterns are subsets of that blob. They were always part of it, their hills and valleys mesh together into a single continuum. NO ONE EVER FUCKING EXPLAINED THIS.

The detector POL1 has a linear polarizer filter in front of it, so straight out the gate it will not see 50% of the twinned photons at all, because they will get stuck in the filter. Your category A can never match more than 50% of events. It gets worse, since the non-linear crystal in reality has very low efficiency and most photons going through are not twinned, so you cannot measure category B directly. In the experiment they do it by rotating the filter 90°, which changes the correlation to category B. In the meme I show them as if the crystal was 100% efficient.

The delayed-choice quantum eraser works similarly - you only ever see a single blob and can never see the interference pattern shimmer in and out of existence. You need the correlation data from the second detector to split the blob into two intermeshed interference patterns using a computer. The Sabine video was the first one I've ever seen that explains this correctly. Every other popular science video up to that point has lied to me!

Whatever you do, DO NOT watch the DR. QUANTUM video with an open mind! (Not even going to link to it, @manual3204 linked it in the other thread.) It's from a documentary produced by a literal UFO cult to promote their quantum woo woo, only masquerading as a quirky science video. It came out in the early days of youtube, when its production and animation quality were unusually high for its time, so it immediately became youtube's go-to video for double slit experiment. Copies of it remain highly ranked there even to present day. It's total baloney!

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