notapantsday @ notapantsday @feddit.de

Posts

0

Comments

121

Joined

2 yr. ago

Depends on the adult, depends on the child. But my worst experiences on planes have always been with other adults being drunk, taking half of my seat or smelling like two weeks old fermented sweat. And when children are seriously misbehaving, usually once I find out who the parents are, I feel more sorry for the kids than for myself.

No need for a DAC, USB-C can transmit analog audio signal, it's part of the standard.

A lot of people don't even want to drive, but in a lot of places there's just no viable alternative.

The difference is the 'L' in LPG. It turns liquid at a relatively low pressure and takes up much less space then. Hydrogen does not do that, so it has to be stored at a much, much higher pressure. For example, a medical oxygen bottle or a scuba tank has around 200 atm of pressure. For cars, hydrogen is usually stored at 700 atm. And the pressure inside an LPG tank is around 8 atm at room temperature.

I have never had a 65W+ USB charger that had trouble charging any of my USB-C devices, including my notebook. Yes, USB has different standards, but most chargers support several different ones. Especially with third-party chargers, people want them to work with their device no matter what it is and USB makes it easy for manufacturers to offer that.

When I'm travelling, I can bring one single charger to charge my laptop, my phone, my tablet, my wireless earbuds, my flashlight, my powerbank, my e-Reader and my bike pump.

In your world I would have to bring eight different chargers. That's a pretty big issue to me.

It would be so stupid if every USB-C charger was forced to deliver enough power for a laptop. They would have to be much bigger and also more expensive without offering any benefit when charging smaller items.

The good thing about USB is that my laptop charger can also charge my phone or my wireless earbuds, so when I'm travelling, I only have to bring the charger for the biggest device I'm using.

It's all part of the USB standard, there can be different "levels" of chargers. If I'm just travelling with my phone, I don't want to have to bring a 240W charger. It would be way too expensive and also too big/heavy. The good thing is, if you have to bring a big charger anyway, you can also use it to charge your phone or your headphones. That's what the standard is all about.

Yes, there are USB-C chargers that are made for smaller devices and can't charge a notebook. So what? The alternative would be going back to proprietary chargers that can only charge one specific model.

I have a 100W USB-C-charger in my car, I have one by my bed, one on my couch, one at my desk and one powerbank that can charge my notebook anywhere I go.

Going back to proprietary chargers would mean if my notebook breaks, I can throw all these chargers in the trash and buy a new set. How would that make anything better?

That should be illegal.

Don’t worry, they don’t win unless you end up buying something you wouldn’t have bought otherwise.

Yes, but that often happens unconsciously. You're in the store, you have two brands that are similarly priced. One that you have never seen before and one that somehow seems familiar. You're much more likely to buy the second brand, even if you don't remember how you know it and actually it was just some super annoying ad you saw months ago.

Everyone thinks they're not influenced by ads, but companies wouldn't spend billions on them if they didn't work.

Immigration is likely to skyrocket over the next decade.

Slovenia is one of the countries that you would expect people to migrate to. It still has a moderate climate, no severe droughts, not affected by rising sea levels (except a very small coastline), no tsunamis, no hurricanes, no typhoons... This just goes to show that there are no safe places. Doesn't matter where you live, climate change can and will have disastrous consequences for you.

The number one thing people can do is get informed about climate change, talk to others and try to get them onboard without pointing fingers. And then vote accordingly. It doesn't matter how much you recycle, ride your bike, stop flying- it won't make a dent without major policy changes.

I hate those manly male scents for true men™ so much. I've now switched to odorless deodorant which is so much more expensive but it's worth it. And when I want to smell nice, I use a perfume.

Hydrogen has often been called the champagne of fuels, because it's so expensive and most likely will be for the foreseeable future. So I don't think we'll ever have a "hydrogen economy" in the sense that most things are powered by hydrogen like they now are by fossil fuels.

Electrifying things directly will always be cheaper and much more efficient, even if you have to use batteries. I'm sure hydrogen will play a role somewhere, but it will always be a niche fuel.

That being said, the world uses gigantic amounts of hydrogen already as a chemical substance for industries such as fertilizer production or hydrocarbon cracking. This hydrogen is almost completely made from fossil fuels and this causes huge amounts of carbon dioxide emissions (more than the entire country of Germany). The first thing we should do is to replace this fossil hydrogen with green hydrogen, because it will directly cause lower CO2 emissions. Once we've done that and we still have the option to produce more hydrogen, we can start looking for other application such as flight, shipping or energy storage.

Weight is definitely the most important issue for a plane, but at some point volume also becomes a limiting factor. Yes, you can stretch an airplane, but that also makes it heavier. With jet fuel, they're currently using every available space, storing most of it in the wings and some also in the fuselage. That's much harder to do with hydrogen, because the pressure containers can't just take on any shape. They have to withstand absolutely insane pressures, so they have to be either cylindrical or spherical.

I came here due to the reddit drama and I'm definitely staying. Just like you, I like it here. The hardest part was actually making the switch, creating an account and finding communities to join. Now that that's out of the way, I really have no reason to go back. Reddit has become a hostile place, admins are actively fighting users and especially mods and I just don't feel comfortable there anymore.

It's like going to a restaurant where the owner is hitting the waiters and some of the guests. Doesn't matter how good the food is, doesn't matter if they're hitting me or not, I'm never going back to that place.

It depends on whether you mean by weight or by volume.

By weight, hydrogen has an almost unbeatable energy density. It's much higher than methanol or even gasoline.

By volume, hydrogen has a horrible energy density, several orders of magnitude lower than any modern type of battery, for example.

So if you have infinite space, hydrogen is great. But a plane does not have infinite space. So you try to compress the hydrogen or cool it down to increase the energy density. However, this will still come out at much worse than gasoline or jet fuel.

Where the fuck are my fellow car and tinkering nerds at? And no one does projects around the house? So few posts in some of the home owner communities as well.

I'm right here, where are you guys? Still looking for a good homeowner and DIY community on lemmy.

Eh, it's an issue and it may get worse than it is today, but it will never be as big of a deal as cancer.

The nightmare scenario of antibiotics one day becoming useless because all bacteria are resistant to them is just not realistic. First of all, antibiotics aren't new. Many of them weren't invented, they were discovered. Which means they existed in fungi or other bacteria for millions of years and were used to fight unwanted bacteria. Penicillin is named after the Penicillium mold, for example.

Antibiotic resistance is a survival strategy for bacteria that are under a lot of stress from antibiotics. This happens in hospitals, nursing homes or farms where antibiotics are used en masse. In these places, resistant bacteria have a clear advantage over normal ones, so they can quickly replicate without much competition. But as soon as you take away the antibiotics, that advantage disappears and suddenly they have to compete with the normal bacteria again. Plus, maintaining the antibiotic resistance is effort. They have to produce special proteins or change the ones they normally use, which can make them less efficient.

So most likely, antibiotic resistance will continue to be a problem mainly in places where lots of antibiotics are used all the time. As soon as we reduce usage, resistance will go down. There are certain antibiotics that haven't been used in decades due to side effects, such as Colistin, which can now be used to treat multi-drug-resistant bacteria because they haven't been exposed to it for so long. Other antibiotics like quinolones are currently falling out of favor, so they may be the magic bullet of the future.

One more aspect is that antibiotics don't make a lot of money for pharmaceutical companies, because they're usually only taken for days or a few weeks, while other drugs such as heart medication are taken lifelong. That's why there's not a lot of (private) money going into antibiotic research. But if the situation gets bad enough, this may change and it will likely mean that a lot more new antibiotics are developed.

Technically, they could be fair but they're just always extremely overpriced. If you buy an app for $5 and use it for 5 years, it comes out at 8 cents a month. You'll never find an app subscription that costs you 8 cents a month, but that would be a fair deal.