The laws about recording a person vary enormously by country within the EU. However, storing such recordings for other than personal use is always subject to the GDPR and publication of such recordings as well. Publication is subject to other, regional laws as well. GDPR generallly requires informed consent to use personal information for a specific, stated purpose. For example, if you give consent for use in a newspaper article, it does not imply that the same photo can be used in a name directory.

In recipes involving flour, the ratio of flour to water usually needs to be quite precise, or you end up with soggy cake.

For "1 cup of chopped carrot" it's usually not critical, but it's still a stupid way to quantify chunky solids.

That vibration insulator probably helps a bit, but they show a graph of its damping without numbers on either the frequency (x) or the g-force (y) axis. That suggests that they are not as good as they try to suggest.

I wouldn't rely on a thin layer of LDPE to keep helium out. After all, it also penetrated the airtight seals of those MEMS devices. I've seen 120L (30 gallon) helium-filled garbage bags deflate overnight. At least they didn't stick to the ceiling of the lab forever. :)

Whatsapp already stores the backups locally on the media storage so that you can use your own backup mechanism. It will nag you about once a month about enabling cloud backups, but you don't have to use those.

The backup is encrypted, though only to prevent other apps from reading the data. The whatsapp servers have the key so that you can restore the data on a new phone.

Interesting, but it wouldn't work with Twitter. Twitter is public; it takes one incognito browser tab to see that your posts are blackholed. And I would definitely object if the AI makes offensive posts with my name on it. The other party could screenshot them and I would need to defend myself with "I didn't write that" .

Fuel economy (per passenger km) increased by a factor 10 since 1960 and only a small part of that is due to more cramped seating. It is not meaningful to use 1960s prices as a reference.

https://en.wikipedia.org/wiki/...

If only I could see the leg space while selecting a flight, I'd be happy to pay 10% extra for 10% more, space (specified in cm). But that's not how it works. You can choose between standard (whatever that may be for that airline and route), an emergency exit seat for a surcharge that's quite a bit more than 10%, or business class for triple the price.

Non-aerosol droplets (10 microns) that are captured by low-grade masks will otherwise evaporate and turn into aerosols before they hit the floor. That's the primary mechanism of cotton masks helping against outbound transmission, although it depends on temperature and humidity.

And there is the well known case of the two infected hairdressers that did not infect any of their 139 clients. Cotton masks on the hairdressers, various masks on the clients.

  https://www.cdc.gov/mmwr/volum...

Gaseous fragrance molecules are not aerosols. If you want to filter those, you need an activated carbon filter. Volatile molecules: 1 nanometer. SARS-CoV-2 virion: 100 nm. Virion plus dried-up mucus and salt from a droplet: even larger.

Cigarette smoke is a mixture of aerosols of the hardest kind to filter (0.1-1 micrometers) and vapors (gas). You can still smell cigarette smoke after it has passed through a particle filter due to the gas-phase compounds, but it smells very different compared to unfiltered smoke.

Memory got cheaper per bit mostly because progress in technology allowed the bits to get smaller in dimension. Car analogy: a cheap car in 1980 was $4000 or $16k in today's dollars. Not very different from a cheap car today, despite technological progress and profit motive.

Fusion power production is not something that will become cost effective by miniaturization. In any case, the purpose of laser pulsed fusion is to do measurements and gather data that can be used in computer simulations to guide the design of actual large-scale fusion reactions such as nuclear bombs and maybe tokamak-style fusion reactors.

You misremember. From the article:

https://www.nejm.org/doi/10.10...

The article also describes that the virus stays viable for three days (not hours) on some surfaces. They didn't test the aerosols for longer than 3 hours, but the data suggests that it could survive much longer if you somehow don't ventilate the environment and have enough turbulence to keep the aerosols afloat.

The Netherlands has a QR system that contains initials and month/day of birth. In principle that's enough to validate against a photo ID. To use someone else's ID you'd need to find someone sharing initials and birthday.

One of the (multiple) flaws of the system turned out to be that not all nightclubs were willing to cross check those IDs because it takes too much time for the number of people hired to do the check. Someone running a venue that requires a QR code has to pay staff to slow down the customers entering their business (best case) or discourage customers from showing up at all. That's not a very good incentive.

Our case rates exploded by a factor 17 in 10 days in early July.

(There were other issues contributing to that as well, mostly that the criteria for legally getting a QR code were too loose).

The sort function in the Python standard library is and has always been called 'sorted', with the list to be sorted as the first argument. Double-dotted releases are bugfix releases, not feature releases, so you must have made up this example. Also, adding minor parameters to the beginning of a function argument list is very un-Pythonic; I don't think you'll find any change like that in standard library for any Python version.

So I ask you again: what specific backward-breaking incompatibity issues did you run into other than the ones between Python 2.x and Python 3.x?

Now, if you're talking about the Python ecosystem including all the third-party packages; yes, developers sometimes change APIs in stupid ways. But that's not Python's fault.

I know there are incompatible changes occasionally, but the examples listed there are all for arcane features or rare edge cases.

So:

1st compatibility break: python 3.0.
2nd: python 2.8 unrelease.

What are the other two?