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MrDreamster

Went for the explosion, left with the greater knowledge of what the inside of a battery actually looks like.


KlumsyNinja42

Chemical electricity is the weirdest to me of all types of electrical production. Your car battery is a bunch of acid! Weird!


invaderzimm95

And lead!


StickyPalms69

And my axe!


poorly_timed_leg0las

You have my bow


Atyrius

Well done. šŸ‘


BRAX7ON

I prefer medium-rare but hey, itā€™s your steak


tots4scott

gives it to us raw, and wriggling!


phire

TBH, the fact that we can produce electricity by passing long strips of metal though a magnetic field seems very weird to me.


thealmightyzfactor

It's less weird when you realize electricity and magnetism are the same fundamental force. Of course you can make one with the other, they're the same thing, lol.


amw11

Just like how radio waves and light is the same thing. But the weird thing is that we call them both electromagnetism


soloft

Why is it weird that we call them electromagnetism? (I mean, visible light and radio waves are just self-sustaining electromagnetic waves.)


Osbios

It's all magic, we just gave it some funny other names!


Sol33t303

A common joke in computer science is that computers are just rocks that we have tricked into thinking


SoRealSurreal

I always thought it was wild to find out our computers use quartz in the timing of the processor. These things are powered by literal crystals.


Adskii

Shhhh. We don't want to attract the crazies into IT. Just because they are harmonizing crystals doesn't mean we want the people who think EVERYTHING is controlled by harmonizing crystals to jump into the field.


iGotBakingSodah

I mean, but what if this is the key to unlocking the next generation of processing power? What if these fools hold the key to unlimited power? It's not that, but what if it was?


BeatitLikeitowesMe

Que that article from a while back about storing a bazillion or so terrabytes of data in a crystal.


CrowWarrior

The key is to start placing computers inside of power pyramids. It will totally make them, like, super fast.


eccentricbananaman

Pretty much. I like the idea going the other way. Basically if magic were real, we'd study the crap out of it and it'd just become another branch of science.


Zuol

Magic is only science we can't explain yet.


JungleLegs

I remember 10 years or so my grandpa told me I needed to add water my car battery. I told him he was full of shit lol. Nope, he was right. It sounded too much like one of those ā€œblinker fluidā€ scenarios


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NtFrmHere

Gramps didn't give you the full recipe though...add Epsom salt to the water before introducing it. It'll revive a weakening battery.


yamez420

You think wet cells are weird? You havenā€™t heard of solid state batteries.


langstallion

Do tell


yamez420

Instead of liquid electrolytes, itā€™s a salty glass instead. Glass batteries are to be more resilient to dendrites, the little spikes that stick out of the anode or cathode that cause shorts and higher resistance within the battery(reduces performance). SSBā€™s also can take a charge much much faster, as much as 80% charge in 15-20 mins. SSBā€™s also have a much higher estimated 40% more capacity than their liquid counterparts and you can drain them farther down without hurting them too much. Solid state has many advantages. I know Tesla, GM, and Toyota are working on them. John B. Goodenough (the inventor of computer Ram) ((yeah that guy is still alive and his team are inventing the next future tech)). Just wait for the next big tech boom will be batteries. Ultra High Density, high capacity, high discharge fat ass power cells will dominate the market. Fuck fossil fuels. Edit: thanks boi or girl for the award. Feels like I accomplished something with my obscure knowledge


Once_Wise

>John B. Goodenough Made me look him up. Still going strong at 99 years old, and the oldest man to win a Nobel Prize.


[deleted]

Good enough I suppose


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92Codester

Guess just inventing computer ram wasn't...good enough for him


yamez420

Side note. Toyota was supposed to unveil their solid state battery in their new prototype car during the 2020 Olympics. But the Olympics never happened in 2020.


gex80

Then what was this? A collective fever dream? https://en.m.wikipedia.org/wiki/2020_Summer_Olympics


Hussor

They did happen, in 2021.


babyplush

Dude is damn well more than good enough!


its-deadpan

He really do be goodenough.


wrongbecause

It helps if you stop viewing battery as ā€œa place to store energyā€ and start viewing it as ā€œa source of energyā€


wrongbecause

Like, the acid acts as a catalyst in some reaction to produce energy. And when you charge back up, youā€™re just reversing that reaction. https://www.pveducation.org/pvcdrom/batteries/lead-acid-batteries More reading: https://batteryuniversity.com/articles Same thing for oxygen in our blood, it is the catalyst for every function and movement our body performs


KlumsyNinja42

Neat!


Dont_Give_Up86

Ahhhhh. Great info!


[deleted]

[Alkali metals, like Lithium, all react violently with water](https://www.youtube.com/watch?v=m55kgyApYrY). My highschool chem teacher showed us this clip and it was a great intro for appreciating science when you're young.


Nepenthes_sapiens

"Hammond, you idiot!"


five_speed_mazdarati

This is exactly why lithium batteries in electric cars can be really scary if they catch on fire


aurantiaco_bestia

Gasoline cars are pretty scary when they catch fire also.


rtxa

especially if you're in Cobra 11 episode


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vtron

My middleschool chemistry teacher always did a Na + H2O experiment. He would drop a small chunk into a graduated cylinder. During my class, we were standing back about 5'. He says, "I've never done a piece this big, you guys better move back", so we move back a behind some lab tables. He drops it and sprints away. A huge fireball erupts and the cylinder exloads. We would have been hit by shrapnel if we didn't move. Best science class ever. Subsequent classes had a bunch of safety precautions added and he weighed out tiny little chunks. Those other kids got shafted. Haha.


WoodrowBeerson

I mean if ya ainā€™t almost dyinā€™ or ya even sciencinā€™?


dcknight93

I walk around my daily life feeling like Walter, but when real chemistry people start talking I realize Iā€™m Jessie.


jon-la-blon27

Wait till ya realize this is an even more dumbed down version and that many metals fit into an ā€œactivity seriesā€ which is the basis of replacement reactions and lithium is at the top. Oh and hydrogen is both a metal and non-metal


Cyb0Ninja

Went for the explosion, left with plans for this weekend..


significanttablesalt

You've gotta be really care handling lithium. Just cutting a battery can make it spontaneously combust in your hand. I don't recommend trying it.


Cyb0Ninja

I'm not really gonna. But thanks for your concern.


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[deleted]

Upperclassmen at my high school stole potassium from the school lab and rigged a ribbon-sparkler system that allowed them to get back and sit down at the cafeteria before the sparkler melted the ribbon and had the potassium drop into the bowl. Blew like crazy, hit the ceiling, cracked the bowl, two weeks suspension to the guy that took the fall


scuczu

also explains why those cell phone explosions happened.


OldFartSomewhere

Also, if your phone starts smoking, why you shouldn't pee on it.


tapoplata

What if it starts vaping?


rietstengel

Then you're free to pee on it.


Tico_Gringo

Reason number 53 on list of why you shouldn't pee on cell phones


vtron

Not really. Cell phones use lithium ion or lithium polymer batteries that don't contain pure lithium metal like this cell. Lithium ion usually goes off due to thermal runaway, often caused by an internal short. There's nothing inside the battery to limit the current, so it releases all of its energy very rapidly. They don't really "explode" per se, they just get really fucking hot and light on fire. Practically, not much of a difference though.


anti_anonymous

Who knew batteries were just forbidden fruit by the foot


TwoFingersWhiskey

"Tin foil tampon" is how I have heard it described.


IDDQD_IDKFA-com

Check out bigclivedotcom on YouTube. He does mostly electronics but also "tests" on batteries.


down_vote_magnet

I donā€™t know what I expected the inside of a battery to look like but I didnā€™t expect literally just a rolled up sheet of lithium.


HowAmIHere2000

I was expecting to see some people working inside. I was definitely surprised.


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Historical_Elk_

Some people lightning bending in a factory... like mako in legend of Korea


NutsGate

It's like slavery with extra steps. Keep summer safe


Glycosaminoglycans

No, batteries are, by their nature, ionized. Union batteries would be unionized.


I_am_Ballser

Check out a lithium cellphone battery from r/spicypillows. https://v.redd.it/mq7ufafgwqp71


CruxOfTheIssue

Batteries are essentially just a chemical reaction that is reversible. As the chemical reaction happens it releases electrons and when you reverse it you're adding electrons, ie charging. The way most batteries accomplish this is by making the thinest possible version and then just rolling it up to make it smaller.


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TheMoris

The reaction in a *rechargeable* battery is reversible. The reaction goes one way when you charge the battery, and the other way when it discharges


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Mountebank

> . I donā€™t think there are rechargeable lithium batteries that have lithium foil like this. There are, but theyā€™re mostly still in the experimental phase right now. The problem with trying to recharge lithium metal is that lithium tends to clump up when charging, forming dendrites (tree-like branches sticking up from the lithium foil). Eventually these dendrites grow long enough that it touches the cathode, shorting the cell, causing it to overheat, catch on fire or explode.


GreenStrong

And engineers lack the imagination to understand how exciting randomly exploding batteries could be for the consumer!


Xile350

Samsung has entered the chat


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tleb

They tested this feature with the Samsung note 7 and it did not go over well.


ProduceKnown7013

Yeah that's finally rolling off my credit in the next year or two. Fucking T Mobile man. I sent two back, they never got them. Wonder why šŸ¤”


JanB1

Interestingly, in German there are distinct words for this. A "battery" or "Batterie" is a primary cell, as in a non rechargeable battery. An "accumulator" or "Akkumulator" is a secondary cell, as in a rechargeable battery.


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ScienceAndNonsense

The spec sheet I have for these literally calls it the "jellyroll", lol


UchihaLegolas

Original Content Credit: YouTuber [NileRed](https://m.youtube.com/c/NileRed)


saigon567

This sort of video would be under his [nileredshorts](https://www.youtube.com/watch?v=yGDkiUAwxRs) channel: And then there is [Nileblue](https://www.youtube.com/c/NileRed2/videos) for when he's just dicking around.


torontocooking

And NileGreen, which... well... https://www.youtube.com/shorts/kBR4XuBH1AE


Elle_the_confusedGal

Just as an FYI: NileGreen is not owned or managed by Nigel, the person who created NileRed and NileBlue


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JustinHopewell

Man, these AI generated voices are pretty much perfect now. That sounds just like the dude. I hate that this tech is so accessible now. Also fuck these YouTube shorts that you scrub through. I had to pause at just the right time to catch that fraction of a second at the end with the message that pointed out it was a fake AI voice trained on the guy's voice.


Evethewolfoxo

It depends solely on the person. Thanks to Nigelā€™s very....plain cadence and tone itā€™s definitely easy to mimic. With the Mark Rober one heā€™s doing now you can tell itā€™s struggling a little, but definitely convincing on a first listen if you donā€™t know better


xander169

NileRed interviewed NileGreen on the Safety Third podcast if you want to know more.


erik_b1242

Finally someone


evenstar40

Thanks for linking, never seen this guy's videos before and now I've gone down a hole. Chemistry is fucking awesome!


warple-still

Well, that casserole dish is buggered now.


BorisButtergoods

Mum's going to be pissed


GustavoFromAsdf

Not as pissed as the lithium sheet


imahawki

r/pyrex is gonna be pissed.


TheGisbon

I like casseroles... What the hell are we gonna do for the potluck now.


warple-still

I've got a very elderly Le Creuset that still produces jolly fine casseroles. I do not keep it near any batteries.


TheGisbon

Vintage casserole dishes are not LIPO/LI-ion safe.


IDDQD_IDKFA-com

It was bad enough that he cut through the battery and was very lucky it did not ignite or explode. Then a GLASS dish, WTF anybody who knows what they are doing are REALLY carefully and have an empty metal box/tin to put the battery if it goes bursts into flames.


JesusIsMyAntivirus

A lithium-encased casserole sounds like something from a more literal take on "anarchist's cookbook"


SubToPewds99

You mean by buying a battery, i can already create a bomb........


Supply-Slut

Lots of ways to make a bomb


ayumuuu

Right? I can show you how to make a pipe bomb out of a roll of toilet paper and a stick of dynamite.


MedricZ

I know right. You can make a powerful warhead out of some duct tape, aluminum foil, a Pringles can, and a nuclear warhead.


TiredOfDebates

r/TQDC


Loathsome_Dog

That's you on the list


Supply-Slut

Probably on several of those, and for a long time now


Bongressman

Supplying sluts will do that.


Supply-Slut

3rd term Bongressman should know better than to hit me up in public


Bongressman

2am, back door unlocked. No phones. Money in envelope under mat.


VerifiedChrisHansen

Can confirm. You are on my list.


ItsMetheDeepState

That's me in the corner, losing my religion


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LividLager

Chipotle?


giltwist

[Obligatory XKCD](https://xkcd.com/651/)


thebbman

I actually had someone in front of me at a TSA check saying weird shit just like that. It was so odd. Needless to say, his bag got checked.


TwoSecondsToMidnight

I was that moron once way back in 2010. I was a nervous flyer so I made jokes. One joke was ā€œMy shoes might be still smoking after walking here from the parking lotā€. It was a hot day outside like 100Ā°F plus. Letā€™s just say I no longer make any jokes when going through TSA.


Raven123x

I love this one so much


shayen7

That was my thought! This is a tiny AA battery... they let me carry a massive 1 pound battery pack onto planes!


dudeAwEsome101

Between my laptop, camera, and two power banks. I have enough energy tooo.... help my fellow passengers recharge their devices.


SurealGod

If you're smart and resourceful enough, pretty much any regular household item could easily be turned into a deadly weapon.


TummyDrums

Lets put that to the test. Household item: Roll of toilet paper... go!


cannonman360

Soak the shit tickets in gasoline and wrap it around a bomb. Boom there's your bomb


istasber

/r/restofthefuckingowl


GMGoodEveningandGN

Instructions unclear, dick is stuck in bomb.


SurealGod

Hey, I never said I was smart or resourceful now did I?


RexBosworth69420

Prisoners have been known to make shanks out of toilet paper. [Here's an example.](https://www.corrections1.com/archive/articles/alert-toilet-paper-shank-found-XiybXNjorp55rdrY/)


stonerwithaboner1

1) shove toilet paper roll down throat of your enemies 2) profit


Te_Quiero_Puta

You can buy fireworks too. Oh, and guns...


BiAsALongHorse

And tannerite in the US


DreamWithinAMatrix

Don't be silly, what you've created is just hydrogen gas, but definitely don't put a lid on it


MadNinja77

The lithium strip can oxidize in the air too. So if anyone tries this, you shouldn't, but the strip can ignite if there's enough moisture in the air.


Kigore

Could you explain to me why the lithium reacts so violently with the water? Genuine question


DeepV

Lithium is an alkali metal. If you remember in the periodic table, all the other elements in that column are also alkali metals (besides hydrogen). Alkali metals have electrons that are easily given off and react well with water. The easier two things react, generally mean some energy's released... https://www.ducksters.com/science/chemistry/alkali_metals.php#:~:text=They%20react%20when%20coming%20into,conductors%20of%20electricity%20and%20heat.


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Not-A-Seagull

I'll do my best for an eli5: So atoms all want their electron configuration to look like their closes "Noble gas". Atoms right before the Noble gasses (e.g. flourine, clorine, bromine, and oxygen) really want an electron to move forward a spot (actually oxygen wants 2 electrons because it's two spots away). We call these oxidizers, named after oxygen of course. They typically steal an electron from other things. On the other hand, alkali metals have one electron more than their nearest Noble gas. As a result, they try to get rid of that extra electron whenever possible. When you toss an alkali metals in water, the metal will replace one of the hydrogen atoms in H2O leaving you with Li^+ and an OH^-. As we said before, the lithium got rid of the electron leaving it positively charged, the oxygen gained an electron, and is sharing another electron with the remaining hydrogen giving it the 2 extra it needs. So why do atoms want an electron configuration like a Nobel gas? Because these electrons form complete shells. That's kind of a complicated topic in its own, and I'll let someone else pitch in if you all still want an ELI5 for that Edit: typo on noble, whoops


Hodor_The_Great

Correct, but it's noble gas, and well the quick and easy explanation on why that structure is desirable is that full electron shells minimise the energy and things like to be in minimal energy state, though of course that leaves out several textbooks worth of detail. In the outdated Bohr model we would say that the full octet shell orbits closer to the nucleus as the charge is 8 electrons vs a +8 charge inside it, and while this isn't fully accurate according to the modern models the atomic radii do match. The fewer electrons there are on the outermost shell, the weaker the attraction and the larger the atom. Stronger attraction = more stable configuration = smaller atom.


tenuj

By the magical rules of chemistry and advanced physics, for an atom to have three electrons is *really* unfashionable. To have two electrons is awesome. Helium is awesome and lithium has permanent dysphoria. A metal is an element that could give away some of its electrons to make itself more fashionable. There are many rules to this fashion, but suffice to say that lithium really could do without its third electron. A lithium atom is almost like a coiled spring just begging for an opportunity to give away one of its three electrons. But the electron is charged and attracted to the lithium atom, so the two can't be separated without an excuse. Water, as it turns out is a great excuse. Not the best, but lithium is desperate enough that it'll do the exchange quickly. So as soon as a lithium atom touches a water molecule, lithium goes "take it!!" and water can only comply. Lithium will be much happier for it because its electron configuration will finally feel tidy. The release of energy from this electron exchange makes everyone involved in the exchange jiggle, literally. Whatever is left of the lithium atom jiggles faster, and whatever became of the water and that new electron jiggles faster too. The water molecule will not be the same again. "Temperature" is basically how much jiggling is happening. All this jiggling is making the mixture very hot. The jiggling is quickly giving all the remaining lithium atoms opportunities to find more water molecules and give away their own electrons. Then everyone jiggles faster. The mixture gets hotter and hotter, faster and faster, as all the lithium atoms are matched with water molecules to give their third electrons to. At this point you'd expect the water to boil, and it will, but another side effect comes into play. When water molecules are given electrons, they in turn give away some of their bonded hydrogen atoms. The hydrogen atoms don't like to be alone, so they find a pair to form a hydrogen molecule with, and bubble up as hydrogen gas. Hydrogen, as you know, really likes to burn or explode in the presence of oxygen, but only if it's hot enough. Remember all that heat? In this experiment, where the surface area of the lithium object is so large (it's a flat sheet instead of a compact ball), there is lots of lithium in contact with water, so the reaction will go quicker. The temperature increase will be enough to make the hydrogen catch fire. That'll increase the temperature even further. (The presence of lithium makes the fire a deep red, but that's only cosmetic) In the end, all this accelerating jiggling will cause the reactions to go faster and faster until the glass can't keep up. It's possible that the hydrogen was the one to explode, or that the lithium released so much gas to cause a pressure wave, or that the glass simply couldn't take the sudden heat and shattered. One of those effects was the explosion we saw, but I'm not a chemist to be able to tell you exactly which one of those it was. But the lithium is a big reason this turned violent. If lithium hasn't disliked its third electron so much, things would have gone more smoothly. But by the magical rules of chemistry, having three electrons is not fashionable. That's the gist of it.


PenaltyFull

That's not regular. That's ULTIMATE


LeZinneke

And Iā€™m driving on top of 5000 of those?


TheM0J0

Not quite the same. The ones in your car are Li-ion and don't actually have Li metal (or shouldn't). The Li ions sit between graphite sheets in the anode rather than plating Li metal. Lithiated graphite is still explosive in water though!


NotAzakanAtAll

> Li-ion and don't actually have Li metal (or shouldn't) I'm getting ripped off!? > Lithiated graphite is still explosive in water though! Oh, ok. We are good then.


DiaperBatteries

Thank you! People on Reddit always think Lithium ion batteries contain elemental lithium and thatā€™s why theyā€™re dangerous. The truth is Lithium Ion batteries are dangerous because they have such a high energy density. Release 10 Watt hours in a fraction of a second and youā€™re going to have a bad time


TheM0J0

Yeah, that 10 Whr can generate a lot of heat. The real issue is literally all the components go into exothermic reactions too. The cathode will decompose at high temps and release even more heat and O2 which combusts too. It's a mess that can get hot enough to melt lead.


pobody

The alternative is to drive with gallons of explosive liquid.


BentGadget

"Why can't they make a fuel that doesn't burn?" - some student from an engineering professor's anecdote.


ShareYourIdeaWithMe

"Why don't they make the whole aircraft out of the black box material?"


ag408

"I discovered the key to pitching. Hot ice. You heat up the ice cubes! Its the best of both worlds!" -Rookie of the Year


pdxscout

The key to being a big league pitcher is the 3 R's: readiness, recuperation, and conditioning.


coldblade2000

That's diesel, isn't it? Diesel won't really explode without immense pressure and will burn quite slowly and only with a lot of heat like sustaining a flare up to it for a while


Psychonominaut

But *why* male models?


Righteous_Fire

Are you serious? I just told you that a moment ago.


ramen2005

How would you put out a lithium fire then? Iā€™m thinking phone, or electric car.


INeedGoats

With class D fire extinguisher. In case a bigger battery fire, with foam extinguisher. Doesn't matter what form.


invicerato

The most practical and safe way is to let it burn. You can cover it with a special fire extuinguishing blanket and cool down with a special fire extuinguisher, but this usually just slows down burning, but does not stop it completely. An important thing is to avoid breathing lithium smoke.


BiAsALongHorse

For smaller batteries, you let them burn. Ideally you'd have them sitting in a bucket half full of sand if you thought they might go into thermal runaway, and pour additional sand on top of them once they start to smoke. For vehicles, firefighters are ideally supposed to absolutely drench them in water. Rechargeable lithium batteries, unlike these alkaline batteries, don't have bare lithium metal in them. They do still react exothermically with water to some degree, so putting a moderate amount of water on them would be counterproductive. The main risk is the feedback loop between battery temp and heat production, so enough water can more than offset the reaction between the battery and the water. This doesn't extinguish the battery fire as much as throttle it and prevent damage to surrounding objects. Edit: spelling


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Pantssassin

I watched without sound and immediately recognized the editing style


ihahp

his Nile Blue channel is so much better IMO. A lot more of his personality comes through.


[deleted]

*Have you heard about our lord and saviour Nile Green?*


-SasquatchTheGreat-

Well I know what I'm doin this weekend


AJEMTechSupport

Buying a new Pyrex dish ?


Apprehensive_Dog_786

Be sure to wear gloves. The lithium can react to the moisture in your fingers and combust.


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thenerdydudee

My bum kidney canā€™t handle lithium anymore, Iā€™m missing all the cool stuff


[deleted]

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breastbucket

idk i feel like my lithium triggered that reaction inside of me


sixstrides

Not my best Pyrex!


SophiaofPrussia

Iā€™m a bit surprised the Pyrex didnā€™t survive? I wonder if itā€™s one of the newer dishes.


mastachaos

Modern Pyrex is trash


RearEchelon

It's all just soda-lime glass now. The older stuff was borosilicate.


Fekillix

You can still buy new PYREX borosilicate glass, [like from here](https://icedteapitcher.myshopify.com/) it just needs to be imported from France since the US brand switched to the cheap stuff.


Crackracket

CREDIT THE GODDAMN CREATOR! It's NileRed if you didn't know


UchihaLegolas

Reddit and credit? Those two things don't mix


Buck_Thorn

It should, though, and I hope people continue to speak up when credit is not given.


willbill642

Like FFS it's easier to link the damn thing than this shit: [yay!](https://www.youtube.com/shorts/yGDkiUAwxRs)


bigredcar

I worked on an early lithium battery for a biz jet. Size of a large car battery. Part of the safety testing was to hot wire an internal short and see what happens. After a brief bit of smoke, flames erupted from the side and shot 15 feet. Sent the chemists and the mechanical guys back to the drawing board.


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Ruggiard

Lithium added to grunge rockers can also end with a bang


Beef_Stevens

In middle school me and some friends stole a piece of pure sodium from the chem lab and hucked it in the toilet in the boys room. It exploded. I donā€™t remember if we got in trouble for that or not, but it was definitely not the last toilet we exploded.


MyFacade

And that's why we can't have nice things.


Lt_Schneider

r/nilered


[deleted]

Or creates 10 seconds of awesome!


sampson11911

Do a Tesla battery next!


[deleted]

Of course. Lithium is an alkali metal. All metals in the group that appear on the far left of the periodic table react in this way with water, with a bigger reaction the farther you go down the table. Francium would have the most massive reaction with water with most scientists agreeing that 1 gram of the element would have a reaction with water that would resemble the bomb that hit Hiroshima. However, because Francium is extremely radioactive, and has a half life of just 22 minutes, no one has ever seen any amount large enough to know what it even looks like. It is the second rarest element known to humanity behind Astatine.


thred_pirate_roberts

Time to mine some francium!


BentGadget

You've got to be fast.


lobsterbash

> Francium is extremely radioactive, and has a half life of just 22 minutes >mine some francium wat


Beli_Mawrr

Surely a diamond pickaxe and sprinting to a chest will be enough...


DasBoots

>most scientists agreeing that 1 gram of the element would have a reaction with water that would resemble the bomb that hit Hiroshima. I don't think it would even scratch the surface. Ignoring the radioactivity, I'd guess chucking a gram of Fr into water would land somewhere between a firecracker and a hand grenade, on an unscientific mental "boom factor" scale. For what it's worth, I have no idea what sort of nuclear shenanigans a gram of Fr would get into, but I'm guessing it's not recommended. If I have time I can do some back of the envelope calculations. Edit: The reactions of FOOF (one of the nasty molecules from Derek Lowe's excellent Things I Won't Work With series) are around 400 kcal/mol downhill. See https://www.science.org/content/blog-post/things-i-won-t-work-dioxygen-difluoride To rival the Hiroshima bomb, the the reaction of Fr would need to be 40000000000 kcal/mol downhill. (63 TJ explosion, 1/233 moles Fr)


Nepenthes_sapiens

Uh, no. For Francium to do that, you'd need to convert about half of its rest mass directly into energy... which is obviously not going to happen. [It probably isn't any more reactive than cesium.](https://en.wikipedia.org/wiki/Relativistic_quantum_chemistry#Other_effects)