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Pipoca

@Pipoca@lemmy.world

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Pipoca ,

Yeah. Power plants are nowhere near 90% efficient.

It's worth emphasizing, though, that they're still way, way more efficient than car engines are.

Also, regenerative breaking saves a lot of energy. Basically, instead of using the motor to increase the cars speed, you use it as a generator to recharge the battery.

Pipoca ,

The tiny "ground attack" spiders, whatever they're called, are legion.

Some kind of jumping spider, maybe? Jumping spiders are called that because rather than wait for prey to land on their web they actively hunt insects.

https://thepetenthusiast.com/types-of-jumping-spiders/

Pipoca , (edited )

Although it's been used for a fairly wide array of algorithms for decades. Everything from alpha-beta tree search to k-nearest-neighbors to decision forests to neural nets are considered AI.

Edit:
The paper is called

Avoiding fusion plasma tearing instability with deep reinforcement learning

Reinforcement learning and deep neural nets are buzzwordy these days, but neural nets have been an AI thing for decades and decades.

Pipoca ,

No.

There's two types of grammar rules. There's the real grammar rules, which you intuitively learn as a kid and don't have to be explicitly taught.

For example, any native English speaker can tell you that there's something off about "the iron great purple old big ball" and that it should really be "the great big old purple iron ball", even though many aren't even aware that English has an adjective precedence rule.

Then there's the fake rules like "ain't ain't a real word", 'don't split infinitives' or "no double negatives". Those ones are trumped up preferences, often with a classist or racist origin.

Pipoca ,

English definitely has rules.

It's why you can't say something like "girl the will boy the paid" to mean "the boy is paying the girl" and have people understand you.

Less vs fewer, though, isn't really a rule. It's more an 18th century style guideline some people took too seriously.

Pipoca ,

One important thing to realize is that different dialects of English have slightly different grammars.

One place where different dialects differ is around negation. Some dialects, like Appalachian English or West Texas English, exhibit 'negative concord', where parts of a sentence must agree in negation. For example, "Nobody ain't doin' nothing' wrong".

One of the most important thing to understanding a sentence is to figure out the dialect of its speaker. You'll also notice that with sentences with ambiguous terminology like "he ate biscuits" - were they cookies, or something that looked like a scone? Rules are always contextual, based on the variety of the language being spoken.

ajsadauskas , to Fuck Cars
@ajsadauskas@aus.social avatar

What can you get to within a 15-minute walk of your house?

A recent YouGov survey asked Americans what they think they should be able to get to within a 15-minute walk of their house.

Of these choices, I can currently walk to all of them from my apartment, aside from a university (no biggie, I'm not currently studying, although there is a Tafe within walking distance), a hospital, and a sports arena.

How many can you get to with a 15 minute walk from your house?

@fuck_cars

Pipoca ,

That sounds a bit more like a nightclub.

I'd never want to live next to a nightclub, but living next to a tavern or pub would be fine.

Pipoca ,

Inflation is calculated off of the cost of some particular basket of goods, and tends not to be even across those goods.

Yeah, if you eat a lot of corporate fast food, prices have skyrocketed recently. At a rate that far outpaces the local pizzeria and Chinese restaurant down the street, or the cost of chicken and eggs from the grocery store.

Pipoca ,

Disney+ lost 1.3 million subscribers in the final quarter of 2023 amid a hefty price hike that went into effect last fall, but managed to narrow its streaming business’ losses by $300 million during the October-December period.

That doesn't really sound like it backfired to me. They lost subscribers but made more money.

Pipoca ,

Suppose one year you spend $60k, but only earned $50k. You lost $10k.

The next year, you spend $57k, and earned $53k. You lost $4k, and your losses narrowed by $6k.

Pipoca ,

Lead-acid batteries aren't lithium ion? And the car starter battery isn't equivalent to that of an EV?

You might as well say that I have trouble starting my gas weed wacker, therefore cars are hard to start.

Pipoca ,

Oh, yeah.

If your point is that ICE car batteries have problems in the cold, so cold batteries is a problem for everyone and worse for ICE cars, that's fair.

If your point is that ICE car batteries suck therefore EVs suck, that's not really valid logic.

Pipoca ,

This basically comes down to how you define literacy.

Nationally, 21% of Americans have level 1 or below literacy on the PIAAC literacy scale. That's probably where the 85 people came from.

12% are at level 1, meaning they can only read at a basic level. 4% are functionally illiterate, and 4% had some kind of cognitive or physical handicap or language barrier that kept them from being surveyed.

About 34% of illiterate Americans were born outside the US, so they're possibly literature in another language.

Pipoca ,

Not entirely.

Only about a quarter of them were born in another country. Then you've got e.g. people with severe cognitive delays or some kind of physical impairment such as blindness. And there's also people whose education system failed them.

It's honestly a mix of things.

Pipoca ,

It's not saying that the top row can support at most 100 people.

Just that if you have 100 people per hour, you need something like what's in the picture. The train tracks aren't being fully utilized in the top pic, either.

As an aside, you're forgetting that cars are ~15 feet long on average. So you've got an hour of traffic with consistently 1 car following distance, which is fairly unrealistic. Real world capacy of a lane is closer to 2k people per hour, or 4k both directions.

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