this post was submitted on 22 Apr 2025
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Science Memes

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[–] LibertyLizard@slrpnk.net 0 points 4 months ago (3 children)

Could you create a device that would compress some substance to the extent it would reach this weight or is that impossible?

[–] gibmiser@lemmy.world 0 points 4 months ago (1 children)

I believe that would be some form of fusion

[–] benignintervention@lemmy.world 0 points 4 months ago (1 children)
[–] ChicoSuave@lemmy.world 0 points 4 months ago (1 children)
[–] chemical_cutthroat@lemmy.world 0 points 4 months ago

A very large no.

[–] lemmyng@lemmy.ca 0 points 4 months ago (1 children)

Such devices exist, namely stars. Neutron stars are theorized to have neutronium at their core, essentially a soup of neutrons so densely packed that nothing else fits between them - in order words, the densest theoretical material (osmium is the densest material found on Earth).

[–] LibertyLizard@slrpnk.net 0 points 4 months ago* (last edited 4 months ago) (3 children)

I guess I forgot to say it needs to fit in the package lol. I know it’s possible in extreme environments but can you create such an environment in this package is the question.

[–] P00ptart@lemmy.world 0 points 4 months ago

Just toss a few teaspoons of black hole in there.

[–] Umbrias@beehaw.org 0 points 4 months ago

no, i mean theoretically who knows, but practically no. compressing something to be more dense than a solid is energy intense. you are surpassing the bond energy of moleculesto do it. second, compressing enough osmium is going to take less, but still bigajoules, of energy. the compressive stress is immense. anything that could hold thht stress is much too big to fit in the package.

[–] Gustephan@lemmy.world 0 points 4 months ago

I wouldn't be too surprised if you could achieve that kind of density for a few fractions of a second with explosive powered compression. I'm thinking something like the electromagnetic flux compression technique used by Nakamura et al to make the 1200T magnetic field back in 2018. The package absolutely wouldn't exist for long though lol

[–] Donjuanme@lemmy.world 0 points 4 months ago

Good news, it's 20-30 years away!

[–] hperrin@lemmy.ca 0 points 4 months ago (2 children)

Imagine shipping this tiny little box and it weighs 60 pounds. Poor mailman.

[–] P00ptart@lemmy.world 0 points 4 months ago (1 children)

Last package of the da... Yo wtf?!?

[–] boonhet@lemm.ee 0 points 4 months ago (1 children)
[–] Treczoks@lemmy.world 0 points 4 months ago

"I have to clean here!" - lifts fat barbell, that some steroid man just lifted with both hands, with one hand and moves it elsewhere.

[–] Delphia@lemmy.world 0 points 4 months ago

Not to be a killjoy but your basic mailman has a pretty low weight limit on the parcels they take.

[–] Delta_V@lemmy.world 0 points 4 months ago (2 children)

you can balloon the box out a ways to get more volume

[–] blandfordforever@lemm.ee 0 points 4 months ago* (last edited 4 months ago) (1 children)

The surface area of the box is about 135 inches. If this surface area were spread over a sphere, it would have a diameter of about 6.5 inches and a volume of nearly 150 cubic inches (nearly twice the volume of the box!). 150 cubic inches of osmium weighs about 120lbs.

So, indeed you could exceed the weight limit of the box by ballooning it out.

[–] Squibbles@lemmy.ca 0 points 4 months ago (1 children)

The demon core's theme just started playing for some reason

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[–] LostXOR@fedia.io 0 points 4 months ago

Hmm, that might make it feasible to do with something that you can actually buy in large quantities, like tungsten! Would still probably cost four or five figures though.

[–] JayDee@lemmy.sdf.org 0 points 4 months ago (2 children)

Wait until I fill that box with quark-gluon plasma.

[–] davidgro@lemmy.world 0 points 4 months ago (4 children)

I'll go one better.
A (non-spinning uncharged) black hole with diameter 1+5/8th inches (so it fits in the box) has a mass of about 2.3 earths.

(Near as I can tell QGP filling the whole box is around a ten billionth of that.)

Of course the box would Very quickly no longer be outside the black hole. QGP would also cause the box to no longer be a container in short order. To put it mildly.

[–] BennyInc@feddit.org 0 points 4 months ago

It would also reach its destination very quickly. Or rather the other way around. Free delivery.

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[–] brucethemoose@lemmy.world 0 points 4 months ago (4 children)

It’s because all the packages have the same domestic weight limit.

Seems silly, but makes sense in the context.

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[–] PseudoSpock@lemmy.dbzer0.com 0 points 4 months ago (1 children)

Apparently neither of you are aware of how dense I am. ;)

[–] ComfortableRaspberry@feddit.org 0 points 4 months ago (4 children)

But do you fit into that box? 🤔

[–] KMAMURI@lemmy.world 0 points 4 months ago (2 children)

Nothing one of those fancy new blenders couldn't handle.

[–] Zabjam@lemm.ee 0 points 4 months ago

I have mixed feelings about this.

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[–] Nounka@lemmy.world 0 points 4 months ago (1 children)

What about a ' shrodingers 71 pounds ' cat.'

[–] Tolookah@discuss.tchncs.de 0 points 4 months ago (1 children)

If it was dead before you put it in the box, it's still dead.

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[–] neonred@lemmy.world 0 points 4 months ago (3 children)

8 5/8" x 5 3/8" x 1 5/8"

Don't write yourself off yet, learn metric.

[–] SCmSTR@lemmy.blahaj.zone 0 points 4 months ago (1 children)

It's only in your head you feel left out or looked down on...

[–] Ediacarium@feddit.org 0 points 4 months ago (1 children)

just try your best, try everything you can

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[–] Iron_Lynx@lemmy.world 0 points 4 months ago (3 children)

For most of the rest of the world, that's about 219 mm × 137 mm × 41,3 mm

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[–] Ledericas@lemm.ee 0 points 4 months ago

at least 2 sci-fi franchised used "neutronium as a ex machina armor: sg1 and ST(exclusive to select advanced race who can use and make the "armor"

[–] stembolts@programming.dev 0 points 4 months ago (2 children)

USPS GOAT. Fuck privatización.

[–] TaiCrunch@sh.itjust.works 0 points 4 months ago (4 children)

But sometimes I have mildly inconveniencing experiences with the postal service in my extremely rural town that require me to navigate my extremely rural town's nearly non-existent public services so we should absolutely surrender complete control to Amazon

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[–] TanteRegenbogen@feddit.org 0 points 4 months ago (11 children)

He said "physically" which is wrong because Neutronium. What he possibly meant was "practically" in which Osmium would be the only element you can practically fit in the box since it isn't possible to synthesize neutroniun at that amount or handle that much safely.

[–] yozul@beehaw.org 0 points 4 months ago

I guarantee that it is physically impossible to fill a cardboard box with pure neutronium. Is it physically possible to get over 70 lbs of the stuff in there in a stable, shippable manner? I don't know, and neither do you. It's certainly far, FAR beyond the capability of any technology on Earth, but I guess it might maybe possibly not break the laws of physics. I can't prove that though, and neither can you, so neither of us can actually prove the statement wrong.

[–] coffeejunky@beehaw.org 0 points 4 months ago

I always fill them up with that stuff black holes are made of, it's pretty dense.

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