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lemmy.ml

werefreeatlast , to technology in This was the first result on Google

I thought America runs on Dunkin… (doughnuts)

No easy conversation from doughnuts to volts or amps. I give up. But with enough oxygen you can hear up pretty gud with a single doughnut. Then you could use a Stirling engine to pump heat from the fridge to the environment. Energy in a doughnut 224cal according to Wolfram alpha. That’s 940kJ. 940kJ/1hr260watts which should run a fridge for 1 hr. However energy conversion is probably going to leave you with like 10% at most of usable energy so ~6 minutes run time. America needs a lot of doughnuts!

flyingjake ,

Umm that’s donuts if they’re from Dunkin’ 😜

vsis , to technology in This was the first result on Google
@vsis@feddit.cl avatar

Hey, ChatGPT, my uncle says new Macbooks are just glorified Raspberry Pis.

How many MB/s are in a Raspberry Pi?

RamblingPanda ,

About tree fiddy

whotookkarl ,
@whotookkarl@lemmy.world avatar

It will take some mathversion to convert from the CPUs/s a Mac uses and the MotherBoards/s in a raspberry pi. I’m working on getting some insurance for ChaGPT to find out.

Dehydrated ,

Raspberry PIs don’t run on MB/s, they use GHz.

locuester ,

You just need to use a conversion. 1 MB/s = 9.66 GHz

stackPeek , to pics in Selling addictive tobacco in Thailand 7 eleven.
@stackPeek@lemmy.world avatar

Is it just me or:

  • it looks empty
  • it also somehow looks like an electrical fuse
Cort ,

I don’t think they’re even allowed to show the packs, so they’re in opaque dispensers. But yeah it does look like an electrical panel from Europe

ramenshaman , to technology in This was the first result on Google

It hurts.

Rentlar , to technology in This was the first result on Google

This reads like a shitpost. The math is eh, okay, but the explanations are totally wrong. I won’t even try to figure out what “runs off watts” means.

Enough of any electricity source, using various converters can get any appliance working “technically speaking”, but in the end the amount of energy available at the source and the rate of consumption at the end and any intermediates. So “technically” an AA battery can power an industrial electric press, but only for a fraction of a microsecond, using a lot of charge storing infrastructure and with a lot of changes to get the tiny bit of DC into the machine requires to operate, likely 3 phase AC power.

A proper explanation would say a lead-acid car battery provides power at around 12V and electric camping fridges nominally operate around 12V so you can connect them directly and operate it (so you can sorta say they both run off DC volts?). If not you would need a buck or boost converter. The available energy of the battery (Watt-hours is a useful unit here) and the consumption rate (in Watts) of the fridge determine how long you can use it on the battery.

current ,

Watt-hours

how hard is it to just use joules 😭 the consequences of non-metric time are grave

i’m just kidding btw, i know why watt-hours are used

Rentlar ,

Saying “your fridge will run for 14400 seconds” isn’t very intuitive for people unfortunately…

helpImTrappedOnline ,

Well on the bright side, these things will start learning from reddit. More garbage for us to chuckle at.

Gobbel2000 , to technology in This was the first result on Google
@Gobbel2000@feddit.de avatar

While reading the question I thought: “That’s not how Watts work”, but then this “answer” hit…

beeb , to selfhosted in Proton Pass breaks prowlarr on firefox since today

I reported the bug to Proton support and they said they are investigating but suggested I uninstall and reinstall the extension. I did and lo, my forms started working again. I can recommend you try to uninstall and reinstall too (disabling it was not enough).

GravitySpoiled OP ,

Thanks!

troglodytis , to memes in RIP Cesar
someguy3 ,

This will confuse Americans.

somethingsnappy ,

Not in the mountain west it won’t. Except for the okra.

someguy3 ,

I’ve heard some tourist areas have picked up on it.

MrEff , to technology in This was the first result on Google

Looking passed the absolutely insane answer here, no one has even brought up the whole issue of AC vs DC. Batteries are DC, while your fridge that plugs into your wall running on AC. I know they make DC ones, but it isn’t like they are interchangeable.

themeatbridge ,

Funny thing, most modern refrigerators use DC motors for their compressors so that they can run at variable speeds, so there’s likely an inverter that you could bypass if you know the appropriate voltage. The DC ones for RVs are the same internals, just without the inverter.

Silentiea ,

I mean it’s probably labeled, right? How hard could it be?

themeatbridge ,

Exactly. Find a hole that’s black and a hole that’s red, and stick some wires in there. How hard could it be?

Silentiea ,

(can’t answer, because she was fucking electrocuted)

nixcamic ,

Correction: they still use AC motors, but those motors don’t use line AC. It goes line AC > rectifier > DC > inverter board > variable frequency AC to run the compressor motor.

Most RV fridges just use DC motors, but there are some that use VFDs and AC motors.

KyuubiNoKitsune ,

Have we moved to BLDCs yet?

DreadPotato ,
@DreadPotato@sopuli.xyz avatar

Funny thing, most modern refrigerators use DC motors for their compressors so that they can run at variable speeds

No they don’t…they use AC motors and a VFD to control the speed.

cantrips , (edited )

Shannon Martin says just shake the battery and you’ll get AC.

ironhydroxide ,

Just swap the leads back and forth very fast

tfw_no_toiletpaper ,

There are DC-AC converters you can use (might be called inverters in English idk), which are pretty interesting circuits. They are used all the time, e.g. to use solar energy

Scubus ,

Just run the rectifier in reverse, duh

ColeSloth ,

That part just takes an inverter.

I’m not sure of the max load output on a car battery, but with a 15 amp 1800 watt dc to ac inverter, you probably can run a fridge off one. It probably just won’t last all that long.

BilboBargains , to technology in This was the first result on Google

This post made me beat my head with a 2 by 4

314xel , to memes in Took me 2mn to ge it tho
@314xel@lemmy.world avatar

My friend doesn’t get it

Katana314 ,

This meme template normally has the second person say something in reply that upsets the first, but leaves them speechless - so they just lower their eyebrows in frustration.

With no eyebrows, the fourth panel looks the same.

irmoz ,

Tell your friend to try to read the NPC’s expression - the 4th panel typically shows the NPC looking angry.

Hint: anger is normally shown using downward angled eyebrows.

davel , to memes in Took me 2mn to ge it tho
@davel@lemmy.ml avatar
samus12345 ,
@samus12345@lemmy.world avatar

Need a blue upvote version for Lemmy.

troglodytis , to memes in Took me 2mn to ge it tho

2 millinewtons?

LittleBorat2 ,

It does look horrible

MajorMajormajormajor ,

Thnk of all the mnutes of tme saved by droppng the “i”.

marcos ,

milli-nano… to?

Harold_Penisman , to pics in Selling addictive tobacco in Thailand 7 eleven.
@Harold_Penisman@lemmy.world avatar

Not even showing the product’s packaging is a nice touch.

ABCDE ,

It’s the same in the UK and a few other places.

JackFrostNCola ,

And Australia, with packaging that all looks the same too

MrsDoyle ,

And if you still want to buy them they cost a stupid amount (I just checked - £15 in Tesco for 20 B&H!), plus there’s a huge illustrated message on the packet about illness and death. I can’t fathom why anyone still smokes.

Kiosade ,

I truly do not understand why anyone starts it. It doesn’t provide relief, it just makes you MORE anxious and frustrated when you can’t smoke right away.

Anticorp ,

I made a conscious decision to start smoking in highschool because all the cool people smoked. I think it was Andrew Dice Clay that finally pushed me over the edge to start. I thought he looked like such a badass smoking cigarettes.

PM_Your_Nudes_Please ,

Honestly though, if this is what got you to start, then you already wanted to. This should be viewed the same as the mullet.

https://lemmy.world/pictrs/image/870ad2f9-59fb-494b-a4b0-3ed044b18d7b.jpeg

Anticorp , (edited )

Like I said, he pushed me over the edge, but all the cool people in movies smoked, Joe Camel was cool, the Marlboro Man was cool, Hollywood and the tobacco companies made it look really cool. And yes, Clay has not aged well, but his humor and attitude were pretty cool in the 90’s. He used to do all sorts of cool tricks with cigarettes and zippo lighters, and he just made it look really cool. It was while watching The Adventures of Ford Fairlane when I remember making a conscious decision that I was going to start smoking. That was right after watching Harley-Davidson and the Marlboro Man movie.

Edit: here’s a couple pictures from said movie, since it’s a very different aesthetic than what you found. Look at that cast!

https://lemmy.world/pictrs/image/4a73a485-0db1-426a-8a8d-261152c1a4bd.jpeg

https://lemmy.world/pictrs/image/65b4320c-8b08-4395-a0d1-6aadde6b589d.jpeg

Veneroso , to technology in This was the first result on Google

Licenced insurance agent. Not for long!

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