this post was submitted on 03 Dec 2024
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Lemmy Shitpost

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[–] [email protected] 2 points 21 minutes ago

the Dutch train system is so incredibly cool, you can get from one end to another end of the 'main' part of the Netherlands in an hour and its so easy to just get to any station anywhere and then you can just go everywhere for so incredibly cheap. Literally the only thing you need to get anywhere in the Netherlands is a bike and something to buy train tickets with. You dont even need to buy tickets, you can just tap your debit card on the gates in the entrance station and then tap it when you exit and it just handles everything for you

[–] Iheartcheese 2 points 43 minutes ago

And on the first day multivac said LET THERE BE TRAINS

[–] [email protected] 10 points 1 hour ago (3 children)

I know it's a shitpost, but i hate that people interpret carcinisation as a crab being the ultimate piece of evolution.

When learning evolution like algorithms in computer science, one of the first things you learn is strategies to not get stuck in locally optimal solutions (solutions that seem the best when you look at other nearby solutions, but are worse than other solutions if you allow your algorithm to look further away).

Crabs seem like that, it's just an easy defensive evolution that then stagnates in a form that kind of works. Seeing how many crabs we eat, and how few crabs eat us, it's obvious that crabs aren't the actual pinnacle of evolution, just some locally optimal solution that evolution tends to get stuck in :p.

[–] [email protected] 2 points 24 minutes ago* (last edited 15 minutes ago)

I understand your point but some of history's most publicized and powerful figures have been consumed by crabs. Amelia Earhart and countless other well known examples through history show the crab threat is much more present and real than you imply.

[–] [email protected] 1 points 48 minutes ago

After several days of what I can only describe as ill-informed pro crab propaganda posts all over lemmy I realy needed this. Thank you.

[–] doortodeath 5 points 1 hour ago (2 children)

We will see (or not) who has the last laugh, crabs or homo sapiens sapiens?

[–] [email protected] 1 points 16 minutes ago

It's gonna be homo sapiens unless crabs evolve laughter.

[–] [email protected] 4 points 1 hour ago

Like came back in a million years. Bet crabs are going to be still around while we'll already extinct.

[–] passiveaggressivesonar 2 points 58 minutes ago

We are the simulation and everywhere we've evolved to using trains of some form, with a few very notable exceptions

[–] [email protected] 1 points 1 hour ago
[–] [email protected] 21 points 4 hours ago (2 children)
[–] [email protected] 3 points 1 hour ago

Okay I laughed while my exoskeleton genes got activated.

[–] rivenb 5 points 2 hours ago (3 children)

The children inside make it scary

[–] [email protected] 1 points 52 minutes ago

I know right are they passengers, or are they stomach contents. And is the remaining full difference between the two

[–] [email protected] 2 points 1 hour ago

They make everything scary.

[–] Reygle 1 points 2 hours ago

One could almost say that Trains are good.

[–] [email protected] 4 points 4 hours ago

I also really like that every time I see some dumb idea to "improve vehicles" there a long comment chain improving it even further into a train.

[–] [email protected] 21 points 11 hours ago (2 children)

Well, the automotive industry has been working on making self driving a thing, and I recall when they first tried to tackle the problem of lane keeping.

The first proposal was to embed magnets or similar into the road surface that the car could have a set of sensors for to determine if it was drifting left or right in its lane.

Motherfucker, that's just a virtual track for your dumb four-wheeled mini-train.

It didn't catch on, but AFAIK it was implemented in small areas as a trial and it performed adequately given the technology of the time.

So I'm out here going, why the fuck are we pretending that vehicles are not just rail-free personal trains?

[–] [email protected] 6 points 4 hours ago (2 children)

That's the end game for self-driving cars. They can drive close enough together to draft, efficiency goes way up. If a problem happens ahead, they communicate back so that pileups don't happen.

[–] [email protected] 2 points 1 hour ago (1 children)

I am looking for intersections with two catepillars of drafting vehicles that slightly intersperse to cross each other at right angles by microtiming the gaps to avoid collisions by microseconds.

[–] [email protected] 3 points 2 hours ago (1 children)

IMO, the big strength with self driving cars, if we ever get there is that level of car to car communication. The vehicle will be able to communicate ahead and see the best possible route, and where there's congestion etc, then optimize the drive to avoid unnecessary delays.

A big problem with human drivers is the tenancy for ghost traffic jams to occur. There was a test they did with about 10-20 drivers of all varieties put into cars and told to drive a circle track, following eachother. No other instructions were given. All they need to do was keep distance in front of them and everything would be fine, what was observed was that some drivers went more quickly than others, and would brake to a near stop when they came close to the person in front. In doing so, everyone ended up basically in stop and go conditions.

IMO, that test exemplifies the problem with human drivers. Put enough of them on the same road and given enough drivers and enough time, traffic/congestion will create slowdowns that otherwise shouldn't exist.

Taking people out of the equation means that all of the cars can accelerate at the same time and travel in tight packs, so merges are effortless because the entire system is working together to ensure that merging vehicles are able to merge (allowing sufficient space for them to merge), and perhaps more importantly, the merging cars will match pace with the flows of traffic already traveling on the road. Those are the two main tenants of a zipper merge. Find space to merge into, and match pace with the vehicles in the lane you are merging into. Seems that a lot of people forget that last bit.

So rush hour nonsense will at least be reduced.

[–] IHateReddit 3 points 1 hour ago

video of a ghost traffic jam test: https://youtu.be/Suugn-p5C1M

[–] [email protected] 10 points 6 hours ago* (last edited 6 hours ago) (1 children)

The first proposal was to embed magnets or similar into the road surface that the car could have a set of sensors for to determine if it was drifting left or right in its lane.

That's a thing for forklifts since what, a century? Even better, they use a wire with a set frequency instead of magnets, it's called wire guidance system.

[–] [email protected] 2 points 2 hours ago (1 children)

TIL. Thanks for that. I wonder what frequency they use...

[–] Im_old 4 points 2 hours ago

5g from the covid vaccines of course!

[–] [email protected] 48 points 13 hours ago (2 children)
[–] [email protected] 3 points 2 hours ago

ELEVATED RAILS my BELOVED ❤️

[–] A_Random_Idiot 4 points 4 hours ago (3 children)

the last time I gave factorio a serious run was waaaay back in its beta, before it was even finished and had an end game.

its just gotten so complicated since then that I get overwhelmed, especially when you start to scale up and realize you fucked something up and have to undo an entire day of shit to move something 2 tiles or something.

[–] [email protected] 2 points 1 hour ago

embrace the spaghetti 🍝

[–] AngryCommieKender 1 points 1 hour ago* (last edited 1 hour ago)

Bots can do that shit. Ctrl+X, select, move the two tiles, place. Realize that's still a tile off on the Y axis, and repeat. The bots don't complain.

I will hand make the hundred or so blue science I need to make construction bots if I have to.

[–] [email protected] 1 points 4 hours ago (1 children)

This was me but I tried it a year ago 😂

[–] A_Random_Idiot 2 points 1 hour ago

I tried about 6 months ago after falling deep into DoshDoshington's various Factorio Mod and Challenge series.

I got about 15 hours in before I was just overwhelmed with what I was doing. I miss being young and eager.

[–] rational_lib 13 points 11 hours ago

There's two kinds of ground transportation: off-roading, and should be a train.

[–] roguetrick 18 points 18 hours ago (1 children)

Train cars are crabs. They've got an exoskeleton, they're squat bodied, many legged, and have pincers on either side. All they have to do is start moving that body plan around some and they will be crabs.

[–] [email protected] 4 points 4 hours ago

Checks out: while they CAN move forward, they highly prefer to move side to side

[–] [email protected] 76 points 1 day ago (3 children)

So what you're saying is the optimal form is some kind of crab train?

[–] [email protected] 56 points 22 hours ago (1 children)

Hey there 👋, I know you mean well by that comment, like I get it, I do. ☺️ But I just wanted to let you know:

THERE HAVE BEEN ZERO STUDIES DONE ON THE SAFETY OF CRAB TRAINS.

ZERO.

But despite that, they are gaining widespread support, and now even people like yourself are calling them "optimal."

Listen: Someone I know lost an arm in the pincer mechanism of one of these trains. More work needs to be done before we can consider them safe, nevermind "optimal". Don't buy into the techbro BS.

Friends don't let friends crab train.

[–] HeyThisIsntTheYMCA 7 points 12 hours ago

Hey, when the train needs blood the train gets blood

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[–] FourPacketsOfPeanuts 112 points 1 day ago (3 children)

"we heavily biased the network against trains and now it's just saying the optimal car consists of several metal struts connecting just two thinned out wheels that the driver sits on top of and propels themselves using pedals. It was busy redesigning intersections to have clear safe lanes for these bi-cycle 'cars' with plenty of trees / room for pedestrians when we pulled the plug..."

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