SHOCKING Science with a Leyden Jar

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Today, we find out how to make a homemade Leyden Jar and what happens when you touch it!
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This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Have fun, but always think ahead, and remember that every project you try is at YOUR OWN RISK.
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Caption:
Hey guys welcome back and thanks for . joining us today on the king of random . in the history of inventions one of the . greatest of all mankind is the ability . to harness and control electricity some . of the old experiments that taught us . how electricity works are really . incredible in 1745 an early version of a . capacitor was invented by evald g von . kleist when he accidentally gave an . electric charge to a medicine bottle a . year later a man named peter van . michigan brooke came up with the same . invention while living in a city called . leyden his version of the invention . became a lot more popular and was named . after the city and is now called a . leyden jar at its most basic a leyden . jar is an insulated container with an . inside and outside holding opposite. charges when something bridges a . connection between the two the charges . equalized and it creates an electric . shock the purpose of today's video is to . learn how to build our own leyden jar . charge it up using electricity and then . discharge it to get that electric shock . the materials we need for this build are . pretty simple we need a plastic bottle . some aluminum foil a nail and some tape . to build up our static charge we're also . going to want some paper towels and a . length of pvc pipe this one's about . three feet long the exact length isn't . important we've gathered up all of our . supplies now let's get started you can . use most any type of plastic bottle for . this experiment i prefer the type that . has straight walls because we're going . to be wrapping aluminum foil around the . bottle and it's easier to wrap evenly . with straight walls than if it has a lot. of curves in it first empty your bottle . [music]. next let's remove the label from the . bottle it might work just as well with . it still on but i think it gives it a . cleaner look if we take it off . [music]. next let's tear off a piece of aluminum . foil approximately the same length as . the straight portion of our bottle let's . see if some of the glue residue on the . bottle will stick to the foil oh it does . that's brilliant. if your bottle doesn't have sticky . residue you can roll it up just the same . way it doesn't need to be stuck to it . like that we have a little bit extra . foil i'm just gonna trim it off with our . foil wrapped around our bottle let's. secure it in place with a couple of . pieces of tape there you have it we now . have a nice conductive coating on the . outside of our insulated bottle fill . your bottle almost all the way with . water leaving a gap at the top of about . an inch or two 100% pure water actually . won't conduct electricity but most tap. water has enough minerals and impurities . in it that it will but just to be sure . let's add a pinch of salt to make sure . that our water conducts electricity very . easily it should only take a pinch you . really don't need much there you go with . the salt mix it into the water we now . have a very conductive liquid inside the . bottle now the last step in building our . leyden jar is to drive our nail down. through the center of the bottle cap so . that a portion of the nail is sticking . up above the bottle but some of it is . also sticking down into the salt water . you can see that the bottom of the nail . is submerged in our salt water this will . allow a good electric current to flow . from the nail to the water and just like . that your leyden jar is built this is . now a device that for some time can hold . an electric charge unless something . conductive connects the nail to the foil. with our leyden jar complete it's time . to charge it up using static electricity . a very easy and consistent way to build . a static electric charge is using paper . towel and pvc before we start using our . pvc let's clean it off using some high . grit sandpaper to be sure that it's free . of any oils or dirts or residue . you can see that the sandpaper is so . fine that it doesn't even actually take . off any of the printing on the pipe but . it is removing some extra residue now . take a piece of paper towel and run it . along the length of the pvc pipe quickly . this will help build up a static . electricity charge i don't know if you . can hear that but it's building up a . charge fast all right with a static . charge built up in our pvc it's time to . transfer it into our leyden jar we'll do . this by just passing the pvc pipe very . close to the nail it sounds like if you . rub the balloon on your hair or if . you've ever had one of those old see our . tv screens right when you turn it off . makes that crackling noise i've now . charged up the pvc and put that . electricity into our leyden jar five or . six times now so i think it's time for a . test to see if it will discharge the . nitrile gloves are gonna be too much of. an insulator so i'm gonna take them off . try grabbing the foil and then touching . nail to see if i get a shock oh i got a . shock just from the foil that's not how . it's normally supposed to go but it's . probably good side . we'll find out i know that was a little . bit a little bit of a shock and i jumped . too hard just because i was nervous . about whether or not it was powerful i . think it was probably not a good idea to . keep the pvc pipe so close to the bottle . it might have still had some. interference with the electric fields . and it also is possible that i had just . inadvertently built up an electric. charge in the foil itself and then when . i first touched that it discharged a . little bit so let's try this again . [music]. all right and it shocked me again wonder . what's going on here. well i'll still try touching the nail . [music]. yeah it still got me again it is working . to some extent i'm able to hold the foil . and i get a zap when i touch the nail . but it's also zapping me a little bit . when i grab the foil in the first place. so i'm going to try taking the foil down . by a button it's just in case the static . charge from the pvc is also jumping onto . the foil as i pass it next to the nail . i'm gonna try and move it away from the . nail a little bit okay let's try . charging this up again there's five . charges and this time when i grab the . foil it's not doing anything to me let's . see what happens when i touch the nail . oh that was definitely a bigger shock . all right . i think what's been happening is the. foil itself has been building up . something of a charge and since i'm . standing on the ground when i touch the . foil that charge runs through me but . when i hold the foil every time as i . charge it it keeps the same charge as me. which is a greater difference from the . charge inside the water that makes it so . when i touch the nail it give us a . bigger shock last time i charged it five . times this time i'm charging it ten all . right here goes nothing . let's see what it does to me . [music]. girl oh boy okay . so last time i felt in my arm that time . i felt it in my whole body like it went . like i felt it in my other arm and down . through my legs and just still there's . big ole jump alright that's pretty fun . it doesn't actually hurt it's just like . a pulse that goes through you alright . well that's working pretty well . something else i want to try though i'm . gonna turn down the lights and see if we . can actually watch the electric spark. jump oh i saw it i hope it was on camera . that was another good joel tiny little . spark it didn't have a big gap to jump . over but it was there something i'm . going to try to see if we can make it a . little visible i'm going to hold another . piece of metal before i touch it instead . of touching you directly with my fingers . it might jump the gap a little bit . better that way . [music]. good well it didn't really jump the gap . i still had to touch the foil to the . nail i think but i still did see a spark. and when i touch it with my finger it . looked like a yellow spark touching with . the foil looked like a blue spark no . idea what the difference is there we go . we've charged up our leyden jar using. some pvc and paper towel but i want to . try and take it to the next level . in a previous video we shattered a . plasma globe while it was running now . we're going to try using this plasma. globe to see if we can charge up the . leyden jar with it when this is turned . on if a piece of metal gets near the . bulb you can still see that purple spark . showing up i'm gonna try touching it . with my glove oh it's like doing pretty . much nothing well it's still getting the . spark though ooh it's starting to heat . up just took my finger let's see if it . it doesn't really give you a shock it . gets warm but it doesn't like just this. is a lot more of a feeling of . electricity well let's see what happens . if we touch this to our leyden jar . well it's sparking kind of like when i . touch my finger to it i don't know if . that's building up the charge or not. let's just let it go for a second and . see what happens. oh it smells like ozone wow that's kind . of powerful well that seems like plenty . of charging to me see if it did anything. no shock from touching the foil nothing . nothing whatsoever i thought it would do . something oh well . well whatever electricity is coming out . of that it doesn't seem to charge our . leyden jar so i think the best way to do . it is just stick with the pvc i was kind . of hoping you would be like a . quick-acting charge just this is full oh . well whoa my favorite thing to do is you . get this bottle charge it up pretty well . about 10 passes then you get a group of . people have one person hold the bottle . on the aluminum foil and have everyone . hold hands in a circle then you have the . last person in the circle touch the nail . and everyone in the circle will feel the . jolt run through them it's pretty . entertaining there you have it now you . know how to build yourself a leyden jar . which is an early type of capacitor a . capacitor is similar to a battery except. that instead of discharging its . electricity slowly it dumps all of it at . once this leyden jar capacitor is made . just by using a plastic bottle some . aluminum foil held on with tape and a . nail it's then filled with water with a . little bit of salt added for . conductivity and charged up using the . static electricity generated with pvc . and a paper towel this is something you . can easily build an afternoon and have . fun experimenting with or you can just . use it to prank people and tell them to . touch it and see if you can get them to . do that without knowing what's gonna . happen they'll be in for a surprise . we tried charging up our leyden jar. using our broken plasma globe because it . does discharge electricity in some form. but apparently it's not anything that . will charge this out if you know of a . good experiment that you can do with a . leyden jar let us know down in the . comments and we might try it out thanks . for joining us for this project today . and we look forward to the next one talk . to you then . this might be a very dumb experiment . i've charged it a little bit just in . three passes and you see what happens if . i lick the mail it's a tiny little zap . on the surface of my tongue didn't do . much i don't really want to do much more . than that it sounds painful hey guys i . hope you're having a great day you are . awesome you are appreciated and i know . everyone over here on my team is really . grateful for you thanks so much for . choosing to watch and support our videos . we'll see you in the next one . [music]. .
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