My heated floors run at about 30°C on a very cold day.

That seens to be normal on a cold day. Your floor heating should be fine. Once the moisture has had a chance to be evaporated, any operating temperature (within its range, of course) for a floor heating system should be ok. I suspect that the problem in the picture is that the moisture has been trapped inside the floor, because the floor tiles sealed it up.

When moisture cannot escape, it goes for the weakest point - in that case the floor surface, because it can’t go downwards (water vapor always rises up) and it can’t go sideways because of the walls of that room (the screed floor is between the walls). The temperature the floor heating could have been operated with didn’t need to be that high, just hight enough to make the remaining water start to change its aggregate state. Water vapor takes up more space than liquid.

The ammount of water that is brought into a buildung with concrete, screed, plaster, etc. (basically all material that has been a pile of dirt once) is often underestimated.

Possible explanation:

The floor is equipped with floor heating. There are pipes inside the screed of the floor that are connected to the heating system. I assume that the floor has been constructed recently, and that the picture shows the result of the first usage of the floor heating, while the floor was installed too hastily.

What could have happened here is that the screed floor with the floor heating pipes has not been let dry enough before it was covered with floor tiles. When installiing a screed floor there is a lot of moisture from the screed present. It needs to evaporate first. It usually is done by running the floor heating for several weeks without having the floor tiles installed yet. This allows the remaining moisture to evaporate through the screed. The tiles usually are installed when the screed has been dried enough.

When the floor is covered with tiles without letting it dry properly first, the tiles seal the floor and remaining moisture cannot evaporate. When the floor heating is in operation, the trapped water vaporises and can’t escape the floor. Due to the pressure that is being created, the floor bursts open violently. Compare it to water that is being heated in a pressure cooker and it can’t escape.

Additional Information (absolutely worth a read): How 3M Discovered, Then Concealed, the Dangers of Forever Chemicals

If there is life out there, it would be rather unspectular. It would exist in the form of microbes, probably not even visible by the human eye. There are theories that suggest that there is a high chance of life on Enceladus.

One of the reasons that life could develop into complexity on Earth is that it could develop over the course of millions of years relatively undisturbed. There were no outside events like supernovae that swept Earth out of exsistence. The Primordial Soup could be cooked long enough to result in complex and intelligent life forms. Other places in the universe probaply have not that advantage, so that the development of life didn’t come that far yet.

I suspect that there is a higher chance that life in other places of the universe will be tainted by humanity than the other way round.

It’s like the five stages of grief but with not knowing what the consequences of voting against your interests are.

I don’t know how the procedere would be executed, but I imagine that police could have the phone present during an interrogation and try to nlock it there (possibly by making you to look at the phone to unlock it, if the phone has been set up to unlock this way). Once unlocked, it would be sufficient to have a peek into the camera roll or messages, until the phone locks again. I don’t know about the law, but I can imagine that if a police officer had a look into your phone, even briefly, it may be held against the one who is being interrogated.

Once rebooted, you need to enter your PIN to unlock the phone (and the SIM as well). Before that it is not possible to unlock the phone with biometric credentials (face ID or fingerprint).

As far as I’m aware, police can force you to hand over your biometric credentials (they can hold the phone to your face to unlock it when you have face ID enabled, or can move your finger to the fingerprint sensor). But they can’t force you to reveal the PIN number.

I just read the (German) Wikipedia article about Transnistria. The article states:

Als einziges Land der Erde hat Transnistrien Münzen aus Kunststoff im Umlauf. (Transnistria is the only country in the world to have plastic coins in circulation.)

This is an odd choice of material. Can you elaborate on that? Why plastic instead of metal?

Related article: “If it doesn’t spread from pigs to pigs and it just happened on that one farm, it’s not a big deal,"

Here we go again. It’s fine, just drink some bleach /s

something about leopards and faces

This is a 1972 documentary about the life in the year 2000. It is in German, but English subtitles can be set up in the video settings. It turned out to be a bit different, but some predictions back then came to reality.

The red area is the equivalent of a stadium seat that is obstructed by a column:

Worst part of this is that there is a demand. There are 20 people applying for one mattress sleeping pod (name everything as “pod” and it sounds futuristic and elite). How is this place ventilated? Can you imagine the unbeareable stench the tenants emit while dwelling there? No wonder it violates city codes. The “privacy curtain” is a joke, you can’t leave your stuff there unattended. It will get stolen in no time. It’s like staying in a youth hostel.

“If it doesn’t spread from pigs to pigs and it just happened on that one farm, it’s not a big deal," Florian Krammer, a flu virologist at Mount Sinai’s Icahn School of Medicine in New York, told STAT. "If it starts to spread from pigs to pigs, then it’s much more of a problem,” he said. “If it ends up in large pig populations in the U.S. similar to cows, I think this would be a disaster.”

Phew, no action required. Pig-to-pig spreading just happened at one farm, no bid deal. /s

That’s how all of this shit starts. Livestock farming is a breeding ground for diseases, and everybody knows that. Let’s wait until it becomes a disaster and figure out from there.

It was solved for a brief time. Now people have these plastic coins you sometimes recieve as a promotional gift and since it is not a real coin, people stop putting the carts to the corral. You can witness this every time holidays are coming up and people are stocking their groceries. And the culprit is always middle-aged Karens who also don’t indicate when leaving the parking lot in their SUV.

Simplified:

Having a fridge running is nothing complicated compared to a computer. The compressor and the light inside are the only things that are being powered. Both components work mechanically: The compressor has an electric motor that is running when fed with electricity. Pistons inside the compressor are linked mechanically to the electric motor. The light inside the fridge is operated with a switch that is mecahanically connected to the door. The light is off when the door is closed. As long as electricity is fed to the fridge, it keeps running.

Computers however are more complicated, as they basically are running clocks that connect an event with a time stamp. They can get disturbed easily when several events happen. When a computer is running long enough it can happen that the memory overflows when a specific event is being executed for example. For this reason it is renommended that your smartphone is supposed to be restarted at least one a month, otherwise it couldn’t function properly.

If refrigerators were operated the same way as a computer, like your laptop or smartphone, I bet it has to be restarted every once in a while, otherwise a malfunction would occur. To my knowledge refrigerators are built the same like 40 years ago, albeit with more efficient compressors, better insulation and less harmful refrigerant.

It’s a snat. They are not easy to catch, because they are fast. Also, they never land on their shell.

It looks like a male specimen of Tegenaria domestica. Its habitat spreads over Europe, Asia and Northern America. They are harmless to humans.

It’s not that this lifestyle isn’t socially acceptable, but it comes with some disadvantages. As pointed out by others, if you have a partner that is living an opposite lifestyle (“normal” day time work - night time sleep) you both wouldn’t have that much time together being awake and active. Also, another disadvantage is that everyone else is active during your resting time, which is during the day. Loud neighbors, traffic, socializing, etc. Errands, like appointments, are often possible only during daytime.

Attending a nocturnal lifestyle over an extended period of time is also less healthy from the biological point of view.

If your biological preference is set to be nocturnal however, and you can compensate for the aforementioned disadvantages, go for it. Nobody will be judging you.