Justin

The majority of cargo bikes, especially those used for deliveries, are electric and don’t require manual labor.

That symbol just means the water is not potable. You see it on the taps on trains in Sweden.

Pretty useful article! I’m pretty sure I’ve seen data shifting happen a few times on Jerboa.

I wonder if uuid7 based pagination solves these issues. Precise enough that you don’t overlap/over fetch data with time based pagination, while still being essentially time based so you have a consistent offset. Definitely important to limit the size if requests, though.

Which algorithms have they endorsed? Did they make any changes to them?

Quantum computers are not advanced enough to break RSA/EC yet. NSA might have some secret backdoors, but the recent focus on quantum-resistent encryption from both the public and private sectors (see TLS and Mullvad) has nothing to do with China.

What is a one-time crypto, and how does it allow you to avoid the use of quantum-vulnerable asymmetric encryption such as the algorithms used for HTTPS?

Come to Codeberg! I’m a member of the co-op and we’re not for sale.

Try Codeberg!

1, These days the machines used to etch chips (flash light onto the chips to carve them out) are mostly made by ASML. The most modern machines are the ASML Twinscan NXE and Twinscan EXE. The raw silicon is coated with different chemicals that react to light, and when the light patterns are flashed onto the silicon, it carves physical arrangements of atoms on the silicon that forms complex electrical circuits.

2. CPUs were literally drawn by hand, and then the drawing was shrunk down with a magnifying glass back in the day. Programs could be written into electrical memory with physical switches (think 100 light switches), punch cards, or electric typewriters. You could pause the computer so that it would wait for you to type in the next program for it to run. By the time we had kernels, we already had large memory banks in the kilobytes that could store the OS between program runs. So you’d type in the OS once when you turned on the computer, and it would keep in in memory until you turned the computer off again.

3. The internet is different computers connected together. This website is just data sitting on a server somewhere, and your computer connects to the server over the internet and asks for the data.

4. Everything is built on the shoulders of giants. There is plenty to learn, but there will always be something you don’t know.

5. There’s tons of information online if you know where to look. There’s also some good courses out there to understand more specific things like cpu design, networking, programming, etc. In university these sorts of questions fall into the field of Computer Engineering, if you’re looking for a university program to get into.

With regards to the limits of programming: Making websites is already challenging enough, but the cutting edge can be rewarding too :) Software Engineering is a massive field with infinite opportunities. Start small and work your way towards more complex projects with larger teams.

Here’s a good 20 minute video about the history of making microchips: https://youtu.be/Pt9NEnWmyMo

This is a really important principle of making APIs that people don’t really talk about. There’s a fine balance between hardcoded literals and full-gui options menu.

Every piece of data in your program has a different level of configurability, and you need to make that trade-off to decide how hard or easy it should be to change. You could hardcode the data as a literal, or you could hoist it to the top of your source file as a const. You could have a separate static const configuration class, or you could have a runtime configuration file. You could even go for an interactive configuration editor/ options menu. It’s all a tradeoff based on offering your users choice but not overburdening them with it, as well as balancing development cost.

Very detailed and interesting analysis. I don’t understand why hydrogen steel is being ruled out just because it requires steel to build, though. Surely a hydrogen furnace will make more steel than is consumed building it, which will also build up the scrap supply for future recycled steel.

Removed by mod

Probably the dictator bootlickers in worldnews@lemmy.ml

Too bad they messed that up by invading Ukraine. Russia had a lease on Sevastopol up through 2042, now they’ll be lucky to keep it for the next 5 years.

Hans de Goede is singlehandly keeping it alive at this point haha. His blog is really good.

The goal is to take the car as little as possible. It sounds like visiting the beach and visiting your friend isn’t possible without a car, and that’s not something that you need to worry about. If there are car sharing services available in your city, like zipcar. You can still do that without committing to the $10k/year cost of owning a private car.

Let’s say you use a car 3 times a week, twice to visit friends, and once to go to the beach. Zipcar offers a $11/hour rate, and we’ll assume you spend 4 hours on each trip. That comes out to $132/week, or $6870/year, saving you over $3k/year over owning a car. You’d no longer have to worry about maintenance or car insurance. This would also be much better for the environment, since you can use a shared car instead of dedicating a car to yourself. Any week where you don’t go to the beach, or your friend visits you, would be pure savings for you, too.

This video is a really good video about why car-sharing is so useful:

https://youtu.be/OObwqreAJ48

Source for $10k/year number:

https://newsroom.aaa.com/wp-content/uploads/2021/08/2021-YDC-Fact-Sheet-FINAL-8-9-21.pdf

Yeah, unfortunately transit options depends a ton on where you live. not just which city, but also individual neighborhoods in that city and where your workplace is. Even when you live near rail-based transit, often cities might not bother running proper routes and schedules to make it viable. But we should support public transportation and bike infrastructure efforts when we can.

No source, but I remember hearing that EVs earn back the cost of their manufacturing through their zero emissions within about a year. I extrapolated based on that with the assumption that a car will last about 10 years. I live in Sweden where our electricity is carbon free/ carbon neutral.

consider the cost of the car in those estimates. Cars cost over $10k a year to own and maintain in the US. Local corner stores encourage local business and walkable neighborhoods, whereas supermarket chains depend on government subsidies to exist.

First priority is to get rid of cars in general. Try to use bicycles and public transportation. If you don’t need a car to get to work, consider a car share service to replace your private car/private parking space.

EVs probably have around 1/10th the lifetime emissions of a gas car, which is still really significant.

Some Google searching shows that the monkey King in “Journey to the West” ate peaches that gave him immortality. Google also shows a martial arts move where you grab the opponent’s testicles.

It’s probably a chengyu, but I don’t know what story it’s from.