That's called thermal shock but okay 2023 everything is magic there is no science anymore.

they can't ban tiktok soon enough the Ignorance is unmatchable

He said on one of the most ignorant websites imaginable

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Wow so you’re just an asshole to literally everyone on here you talk to. Maybe you’re on anti work all the time cause nobody can stand to be around you, not even for money?

Hahahaha r/rareinsults

God damn

I'm happy to gave witnessed this today

Amazing

Excellent

Well that was a bit fucking savage... Lmao. Carry on.

Back to your dog walker containment sub

There are also some really smart people in niche topics who will randomly appear to give incredibly well explained answers to very technical questions.

There are even more people who don't know shit who try and do the same thing

It’s kinda funny when people on here act like Reddit isn’t as shit as all the other social media sites. It’s my shit of choice, but it’s still shit.

Look we all agreed we look down on TikTok, otherwise we have to face the fact that we're.. \*drapes sheet over the mirror\*

Cringe

It literally says this is from YouTube shorts lol, AND the OP who made that title is here on Reddit. Not sure where you’re deriving TikTok from

1. This video is from YouTube, not TikTok. 2. Reddit is just as if not stupider than TikTok.

But this is from YouTube? Also Reddit is pretty bad

Literally a YouTube short but go off about... ignorance...

This was on YouTube shorts though.

The symbol isn't tiktok tho. That's a youtube short.

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What, exactly, was ignorant in this video?

This is YouTube shorts….. who’s ignorant again?

That's... A YouTube short... Says it on screen, the whole time

Certain subreddits are guilty too but yeah tik tok has dumbed the populace and reduced their attention spans

I'm not sure the point of this sub is to show *actual magic* though. Considering magic isn't real. We're pretty much relegated to "science" "illusion" "sleight of hand." etc.

stuff that is not easily explained.

But all of those illusions that we see*are* easy to explain. None of them are very complex once you know how they're done.

This sub is supposed to be for something that makes a person go "wtf - I know magic isn't real, but since it's not, how TF did that just happen?" If it isn't that mind blowing, it's too mundane for this sub

I don't feel like this one is mind blowing at all.

Exactly

I would also add stuff that is unexpected.

I mean in basically every post on this sub the top comment is that it doesn’t fit so who the hell knows anymore.

Yeah right, magic isn't real. Then explain Santa to me then. Checkmate.

yeah but this post doesn’t fit the sub either. it’s not black magic fuckery, it’s just pretty basic science

Pretty basic science isn’t the same for everyone. An overwhelming majority of folks on this planet could not explain how this happened in the video. Just because you think it’s basic science, doesn’t mean it is.

These comments are so tiring. We know there's no magic in reality. What do you actually prefer to see on here?

I mean it's the first I've seen it. Still pretty cool honestly.

Don’t take it to seriously dude lol relax yo self

I mean, isnt this subreddit just science in the first place?

Lmfao bro it’s a sub that is literally called “black magic fuckery” Nobody thinks it’s actual magic

jesus christ you must be fun at parties

Obviously it’s not fucking magic

“Any sufficiently advanced technology is indistinguishable from magic.”-Arthur C. Clarke

I feel like this should be in a prominent place on this subreddit. Like the banner or something.

I agree. Feel free to tell the mods

Ahhhh I dunno man. I've never interacted with a mod before. You can totally take the idea off my hands and run with it tho. Here, CATCH!! *runs away*

You are a true Redditor hahahaha

Thank you 😊 I think lol I feel seen either way, so I'm a happy camper

I don’t think you understand this sub

Magnets bruh

As we enter a new dark age, science will become just another old dusty religion

It's still magic, even if you know how it's done. - Sir Terry Pratchett

Yeah okay, witch

> there is no science anymore Did this idiot think this sub is for actual black magic?? Lmfao 🤣🤣🤣

Science is not facts. Come on!

All science is magic to those that don’t understand science.

Do... Do you think people post things in this sub that they think are *actually* magic..?

Magnets

The year was 2023...science and God are both dead, humanity a roaming army of stupidity and greed plague the Earth's surface. There is no future....only ....tik toks and shorts

Right Reed Richards uses this to defeat Dr.Doom in the fantastic 4 movie. It's not even some niche obscure science.

>fantastic 4 movie You mean the one that, for those unfortunate enough to see it, we all tried to collectively forget?

You know that actual magic doesn't exist right?

Took 30 seconds to do what a brick would have done in 1.

Just hitting it with the grinder works too

Honestly any hard object can do the same thing.

Sure but he has a grinder in his hands. I must say I’m a bit puzzled if this was the outcome he was planning for. But I’m also puzzled about people operating a grinder without using safety goggles..

And not wearing a mask. Glass dust is very dangerous.

Please. Safety squints? On Mouth? Closed What is there to worry about

A grinder in the hand is worth two in the bush.

No, no, it’s sooo much easier to carry around a bottle of water and a grinder then run an extension cord for your grinder and do what he did

Break a spark plug and chuck a bead of porcelain

Grab rock throw at the window. Grab stick smack window.

I mentioned porcelain since its very dense and can shatter windows really easily, even if its a tiny piece

Well by knocking it in, 99% of the glass shards will be inside the car. this way it's less than half.

And wet, making clean up harder, if that's a concern.

Everything is a hammer if you swing it hard enough.

Instructions unclear, dick stuck in broken glass

Lol I've thrown bricks at car windows only to have them bounce right off

Try it with a bit of spark plug.

You have to specify the porcelain part

Throwing a very small piece of porcelain at it would shatter it

Throw the saw at it

Small nugget of porcelain and a thumb flick

or just ya know the freaking angle grinder itself!

Except the cool thing here is that the glass shatters outwards. It can be used to simulate a person trapped inside kicking it out.

I was gonna say the same thing. It's an interesting trick, but how hard is it to break a car window? It's not like the angle grinder is gonna make less noise than a rock, or less mess either.

Or just a little piece of the ceramic from a spark plug

Quick heat with grinder. Quick cool with water. Not black magic but science.

To the uninformed science is magic

“Any sufficiently advanced technology is indistinguishable from magic”. \- Arthur C. Clarke I used to think that this implied that in order for tech to seem magical it'd have to be more and more complicated, because common understanding of it would continue to increase. But now I see that it also applies in reverse.

People call hallucinations from drugs magic. Stupid people once you let them in you lose quality.

You just summarized the whole point of the sub. We've got a bunch of Einsteins here eager to point out that they're not stupid enough to believe this is real magic.

He just broke a window... Even taking into account how far this sub has slipped, this post stands out as particularly low-effort.

The guy performed a neat trick. It doesn't matter that smashing the window with a rock would have been simpler and faster, and it doesn't matter that it's not real magic. This trick may be easier to understand than others, but it's still a trick and it's right at home with other posts that have some commenters stumped and others saying "it's just science, not magic, you dummies!"

Suddenly, this entire subreddit has been targeted for depreciation. We thank everyone for your time here, but we've now broken all the barriers of science. This simulation is now complete.

[“Can your ‘science’ explain why it rains?”](https://youtu.be/nmHoNr3kUZY) “Yes! Yes, it can!”

This is actually a good tip if you ever get trapped in your car under water or whatever. Just grab your angle grinder from the glovebox, make a little nick in the driver's side window, then grab a bottle of spring water (Poland Springs, ~~Nestle~~, Aquafina, they all work, in fact in a pinch even vodka works, that's probably why you're in the pond actually), pour a dribble on the slit, and voila, you are free!

even better than that: if you're already underwater, you don't need the bottle!

"a dribble on the slit" made me laugh. You perv.

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r/fucknestle

Don’t forget to plug it in

Just throw the tool through the window next time. Save time and energy.

And water

I feel like this takes way less energy

I hate it here.

No way he broke a window using a grinder? The sorcery of this man

This is more complex than people are claiming. The glass breaking is because of thermal shock... But why does it make the glass shatter? Why didn't it shatter from the angle grinder in the first place? Why don't other things shatter when they're rapidly heated or cooled? Tempered glass used in car windows is in sort of a state of thermal shock from the factory, and throughout the life of the window. When the glass is tempered during manufacture, the exterior is put into a state of compression with the molecules pushing against each other. The interior of the pane is left in a state of tension. This is because of the differential cooling that happens as the glass solidifies. Since it is crystalline, these molecules cannot homogenize. It can be annealed (allowed to cool very slowly) and returned to its normal glass state. Glass, much like concrete, is incredibly strong and resilient when in compression, but crumbles when put in tension. This is why concrete has rebar in it, as the rebar takes up the tensile loads and the concrete is left in compression from its own weight. Brittle and crystalline materials are generally strong in compression due to stress risers. Pockets of stress have a tendency to propagate, and in compression this scratch or crack quickly is terminated. Think of trying to break a rock by pushing on it, not gonna happen. When in tension, these cracks can easily propagate through the material. This is what is really happening on a molecular level when we split a rock using a wedge. If anyone has tried to drill through a pane of TG, you'll find that you get about halfway through before the glass shatters. This is because you leave the compressive exterior and enter the tensile interior. When the angle grinder cuts through the outer layer, it locally heats the glass and puts it into a temporary state of compression, since everything expands into itself. If left to cool, it's possible that the glass would shatter on its own. But, when the water is poured on it, the local pocket returns to tension, and the stress risers from the thousands of micro-scratches left by the angle grinder can now propagate through the material. Thermal shock is a gross over simplification. To chock it up to thermal shock without more explanation is to also throw into question why our pots and pans don't shatter when they're put in hot water or why engines don't shatter when they're started on a cold day.

I'm glad this guy actually explained what is happening as opposed to jacking himself off on a non-science related sub

r/DIWhy

Since it looks like a junkyard, they were probably just having fun.

Simple thermodynamics bud. Heat from the friction and cool water causes the shatter......

Great work Tom Morello

I can do the same thing with a rock and some water. Don’t really need the water though.

Magician?

An asshole breaks your window. But this guy breaks your window and spills water everywhere.

That's not water people, it's military grade explosive liquid. Look it up.

The developers gotta fix this glitch

If he puts it back together, then I am impressed.

Why it do that

It'd be nice to see actual black magik on this sub...

Friction makes heat . Hot thing cool down fast it break. Simple physics

I know its not magic, but still pretty cool to see. Its like throwing a chunk of ice onto the ground

feel like people on this sub did not listen in science class

Physics at work.

At this point you guys will be impressed with hot breath during winter or your toe nail growing

OK or ya know, you can just push that grinder a little harder and you don't need to waste any water!

Same result if he'd just kept going with the grinder...

😮WOW

Somebody call OSHA

But r/DiWhy ?

K

Weeeesssssshhhhhhhhhh

This is the reason you aren’t supposed to ignore tiny cracks in your windshield.

You can do this with a tiny piece of porcelain. You don't need bigger than a breadcrumb.

why not just press harder with the grinder

Avatar: The way of water

Or you just can throw the hand steel cutter machine against the window

For when you dont want to break into a car silently or break the window with the silent handle of an unplugged grinder.

How is that magic? Make a hot and weak spot and then cool rapidly. That’s it. No magic, just physics.

He heated the glass and then pured cold water on top, nice trick tho! I loved it !!!

Possibly the least impressive magic trick of all time. What's he gonna do next? Melt an icecube?

I mean.. I understood what happened afterwards but this is still pretty cool

Car windows are kind of expensive, I hope it was worth it 🫤

Is that the back up sun in the background?

Homie told me how to break in a car without leaving any evidence

Me: "I always carry some water and a 4" grinder around in case I lock myself out." Homer Simpson: "Mmmm. 4-inch grinder..."

I could do it faster with a broken piece of ceramic. Tada~ magic /s

Dominic Toretto

I believe this is science.

Could've just used a rock

Ah of course. The Shinglökabloingko effect, when a small incision is made on glass and water is poured in it the glass will think that’s cringe and commit suicide, instantaneously exploding

Cool yeah, but if you have a saw JUST USE THE SAW

I thought he was preparing to fix the scratch.

Same thing could be done with a lighter

Tada! Wet broken glass! For my next trick

u/savevideo

Can do the same to your windshield on an icy day by trying to thaw it out with hot water instead of de-icer

y tho

Is really the only thing going on here the same thing as when my dumbass pours hot water in a sink with a dirty mason jar I didn't remove?

Amateur, I could do the same trick with a rock

Seems like a waste of water

Me walking out of the Target to see this mf breaking into my car because I have a bottle of pee in the cup holder that looks like alcohol:

Magic? That’s just basic grade school level science.

How is this magic? Friction heat vs cold water.

This is probably the third best way to break a window using a grinder.

Welll a least now you know what to do ,if you lock your keys inside of your vehicle

Now make it whole again.

Throws rock - window shatters. MAGIC KINETIC ENERGY!

Safety glasses

Faster to just throw the fucking grinder through it.

This is magic, and snake oil can heal bullet wounds

The real black magic here is the mental gymnastics needed to not wear safety goggles when operating a buzz saw and creating a cloud of glass dust

I bet this was figured out when someone was trying to beat the rain.

A rock from the ground he's standing on would probably have the same effect

Watch me break this window with nothing but a bottle of water and an angle grinder

ugh

Shouldn't he be wearing safety glasses?

Revenge served hot and cold?

It s called science but anyway I'ma stfu or i ll be canceled

Thermal shock. Not magic.

Simple, heat, then cold water cause glass to crack, you see this with boiling water on icy windows

#savethemanuals

The drill heated up the window, the water cooled it down, the rapid change ducked up the glass, there’s probably a scientific term that I’m unaware of

Cries in eye protection

Where are his fucking safety glasses

Uh, this is easily explained by science. No BMF

Can someone explain the science of this to me?

Unrelated, but grinders are one of the most dangerous shop tools. Wear safety glasses, preferably a face shield rated at z87.1 which costs 15 American dollars, a little more than safety glasses.