I am a 61 year old DIY dabbler and inventor and I am addicted to your show. I usually know what the outcomes of your experiments are going to be but sometimes I don't and I enjoy your presentations either way.
@@namename8004 I'm aware of what he's talking about because of past experience in machining. They're not electromagnets they are actually switchable magnets. When you turn the switch it rotates the magnet in side the base thereby switching the polarity of the magnet.
You can also suppress a permanent magnet using Lenz’s law, by coiling a wire around it in much the same way you would make an electromagnet but in reverse. Once you apply a current to the coil when arranged correctly it will suppress the permanent magnet with an equal and opposite electromagnetic polar force. We use this principle in railway engineering. You should give it a try :)
action lab is only popular channel still being real and not that stupid accenty tone and no clickbaits. he ACTUALLY delivers whats mentioned in title. super amazing.
I'm a welder and these things were a game changer, they help with everything from fit up to simply being a mag vise for easy grinding. the company I worked for owned them and I haven't used them since (there's priorities for my money to disappear to) but I've been looking forward to buying a set of them again
Sure, but the video is around 8 minutes longer than needed for such small thing. Explaining the same thing again and again make me annoyed. Obviously he wanted space for more ads.
@@AntiAtheismIsUnstoppable you need to learn that that's youtubes fault not his. If I can get interesting content for free and all I have to do is skip through the boring parts? I don't see the problem at all. You should be blaming youtube and not him.
@@anklihlaanlestrange4881 Huh? I thought that was the standard-solution for every other problem in StarTrek. The other solution being: Kirk punching / romancing it.
@TheActionLab, I've been playing with magnets for years. I did not know this and was like "what is this voodoo magic magnet that can turn off?" A couple twists later, AND IT TURNED OFF??? 🤯🤯🤯 Awesome video, thanks for teaching me something.
Great video. I always thought the 1943 penny was made from mostly zinc. I never realized they actually were mostly steel, even though they're called steel pennies. I've been wanting a Magswitch for years because they're just cool.
I have seen this "switchable" magnet system on a portable drill press which uses magnets to attach itself to whatever steel item you are drilling, in my case, a large "I"beam. I was intrigued by the way it could be switched on or off just by turning a dial on the side, and now I know how it is done thanks to you!😉👍
old drill bases use a different method ..... There is another way to do this , old Machine shop magnetic bases use a round magnetic inside of steel cube with 1/4 inch of non ferrous brass separating the two Steel sides.. When the north -south poles of the magnetic are aligned n the brass the magnetic field / flux completes the path shunting the the magnet = Off condition . Switch On by rotating so north-south poles are aligned to the steel . The NIB magnet ( Neodymium ) design seen in the video has a more powerful holding force than the the old base but old Machine shop magnetic bases are still sold so must be cheaper.
A variant I've seen on stationary machines is alternating brass and steel plates, and the magnets slide to align under the steel (to engage) or brass (to release).
I first encountered this with a metal surface grinder. The magnet is strong enough to hold the steel being finished in place. It is released by turning a lever. I never figured out how it worked. Thank you for the explanation and demonstration.
When welding frames, you can use a magnetic square that has a mechanical switch on it, once the magnet is "on", the square is able to stick to metal pretty easily, when flipping the switch "off", it interacts with some mechanical components that move the magnets inside the square away from the inner walls of the square, moving them as closely inwards as it can
Really, I was obsessed in discovering this switching magnet's execution and your video became the end of my search. Thanks for an excellent instructional video job!
@@YellowLAVA turn off aka "not be horny anymore" and the ""intresting"" part of the thumbnail is it looking similar to flaccid male genitalia. Yes I just explained the joke, yes I also hate myself. Thank you
Thank you. In university I was forced to learn something about magnetic circuits. I don't know if it was explained in the lectures but I feel like i am only starting to get it now.
I´ve used those on - off permanent magnets in factory for years, and I´ve allways asked my self, how it works?!?!? (no one couldn.t explain this) With on - off switch, knowing, there is no current. (you can not open them without destroying them). Good explained THANK YOU SO MUCH! ♥♥♥♥♥ Finally discovered this antastic channel! Grüße aus Germany!
I don't know how to do it permanently but I keep a strong magnet on my bench and pass a screw driver over it a few times to temporarily magnitize it to get a screw in a tight spot. Or just stick a small one to the tool for an instant magnetic tool. Commercially? idk.
They are done by powerful solenoids....the piece of metal that has to be magnetized is place inside the solenoid and very large amount of current is passed through the solenoid which in turn creates a strong magetic field around that metal and that metal becomes a permanent magnet.
Screwdrivers just rub it on a strong magnet or leave a small neo magnet stuck to it. It wont be that magnetic but will hold a screw. Real magnetizing fixtures use solid copper gold plated buss bars a truck battery size capacitor bank and I assume large transformer? to develop a quick massive current to the fixture. RUD can happen and blow the heads off the bolts if it's not done correctly. Not sure about the transformer but the capacitor bank is big enough to need wheels. Putting a pre magnetized pc in a fixture needs to be oriented correctly or you just made a missile.
You just keep running the tool over the magnet in a single direction or run the magnet over the tool in a specific direction and it'll magnetize the tool.
What a perfect example of practical science making a solution to a real problem! The delivery of the best solution, and the trial and error of impractical methods gives an evolutionary climb to resolution. The next step, is of course, to refine and improve the best (as YET KNOWN) method of turning off a permanent magnet (perhaps an electrical trigger to make life even easier).. THAT said, I want to play with one of those magnets now!
It's always a pleasure to watch your videos...no hidden things, no incorrect statements, no ambiguity. I wish you had a video that explains details of a permanent magnet table (a lever is used to neutralize the attraction force). No existing videos go into polarities, thicknesses and material specifications, so I personally hesitate to start a potentially expensive experiment???? 💯
These are cool, my dad has one on the base of a tool he uses to check center when turning materials on his lathe. I have always wondered how it works since it is not an electromagnet, thanks.
I know these switchable magnets from my apprenticeship we used them on the mill to adjust the vice on the mill table. They held the dial indicator on various positions on the mill nice vid
So if the magnet was in a fixed position and kept picking up the weight and dropping it as it was turned on and off, it would be doing "work". But does the work to turn it off and on use more energy than the work its doing? If it doesn't you have found an amazing power source
I remember a couple years ago I was playing with some magnets I had and figured out that they have values; that they’ll cancel each other out if one is facing north and one is facing south. And now I’m realizing, I pretty much did figure out how to turn off magnets. I feel so smart.
I use switched magnets for welding fabrication. What's really neat is when off even metal filings from grinding come off. I now use them to vacuum up the bench and drill press.
i noticed this when i was a kid and playing with magnets. always wondered what was going on. this is really cool and is great to finally know why they do that
look at places like mscdirect or mcmaster-carr, they have bases for indicators used in machining that have used this tech since the 1920's, and they are much better designed to be useful as a magmount for things rather than as a pickup tool like the one in the video... for less than $40 you could get this part number from mcmaster 20715A44, and it even comes with the indicator ( a crappy one, but you want the base) you could prob use it to mount cameras and such edit: I just looked back at the product page, the thing can hold 132 pounds if that matters at all, lol
When I first got into machining that was one thing that blew my mind was the indicator bases. It was an on off switched magnet and it was incredible to me
i had no clue what was going on but i found it very satisfying to realize what it was before it was revealed, what tipped me onto it was the handle being turned around
Incredible teacher! Been following for a while… Scribes, and I say… It's awesome how are you taught us first, how magnetic flux will shortcut through the steel plate… THEN ! You showed us how it's short-circuiting through their manufactured magnet block … Awesome technique , I understood it right away! Thank you so much , awesome content always
I use these quite a lot at work, they are very useful to position holders that hold sensors around a test article. Put it in place on (or below!) the steel base plate, turn the knob and it goes nowhere. Make sure the magnetism doesn't affect your test though. I had some idea how it worked, but now I know. Nice video!
I have often wondered if magnets could be paired with mechanical linkages to produce perpetual motion. Then I remember friction. Could a friction less mechanical linkage be possible ? Maybe those magnets that levitate ? Liquid bearings ? Is there some energy source that we have not discovered yet that will overcome E=MC squared ?
Q. Make a gear system, with this effecting another perm magnet that runs a rotor- then you have magnets "working." Or, no matter, they will always neutralize each other? = jam up and stop. Well I've seen fake? electric comtroled mags do this, but suspecious. Never seen someone UNPLUG a device and have it run by itself.... So, is mahgnetism FASTER than electricity? Or, can electric current trick a magnetic field?
so by angling magnetic poles 180 degrees you can “turn off” the magnetic field. so wouldn’t it make sense to be able to amplify the magnetic field by alining magnets so their poles are at right angles to each other?
Yup. Particle accelerators do this along the entire ring of the accelerator. Though, the magnetic field in this case is less responsible for accelerating the particles and is more like a gutter guard in a bowling alley.
Can you have a demo of electrogravity? 1) Using capacitor plates with + pointing upward. 2) using a ferro-mercurial mixture turning in a toroid? I found this very interesting when I was in college.
One thing I would like to see demonstrated is "What happens if the two permanent magnets have opposing orientation at the coin and you add an identical coin to the opposite side of these magnets".
Steel pennies aren't extremely rare. Copper pennies of the same year(s) are the rare ones. They were made of steel during the WWII era because of a copper shortage.
I worded it wrong. I think there's a way to use a small electromagnet to turn off the magnet instead of using another permanent magnet. Just a thought.
K&J Magnetics is a great source for all sorts of magnets like this. NOTE: be very careful letting magnets snap together! Neodymium is extremely brittle and fractures easily creating some pretty sharp edges and teeny fragments that stick to things and are a pain to clean up (usually I mash duct tape onto the magnetic "gravel" and that does the trick).
Wow, amazing video. I never thought it was possible but thanks to you, I learnt something new today. I have always been fascinated by magnets.. Keep up the good work mate.
4:17 the Weller Magnastat soldering irons also work with a magnet that is switched off at the Curie point. If the temperature drops, it becomes magnetic again and the soldering iron is switched on again. This is available for 24 volts, 120 and 230 volts.
I was a Tool and Die maker for 40 years and we had a permanent magnet chuck to grind parts and we could turn it on and off by sliding another set of magnets over the other permanent magnets. This has been around for a long long time.
Love these magnet videos, thanks. They've helped clear up a lot for me. How about some ferrofluid videos? I'm very interesting in magnetic spheres coated in ferrofluid as a means of reducing friction across rolling surfaces.
I use the MagSwitch product all the time to hold feather-boards to the case iron top of my table saw. I love the concept, but I would really liked to you take one apart and actually show the mechanism.
Could you make a piston engine with it -turn it off when piston goes up, on when down. There, energy problems solved. Waiting for my Nobel prize...woohooo😁
Electric generators used to run around 30% efficiency. Put a coil of wire in the magnetic field and the force to move the magnet to change the field will vary with the energy drawn from the coil. Maybe not that simple but no free energy.
I feel like a easier to understand explanation of the thick steel example would be that the steel is like a sponge, it can take in and absorb smaller magnetic field but if you have too big of a magnetic field it can't absorb all of it and some of it leaks through.
I use the same switchable magnet but bigger to sometimes pick up steel parts at work and was always baffled by how does it work since its not electric. Thanks for telling me how they work. 👍
To me, the most amazing thing in this video is the revelation that there is magnetic "paper" that lets you see magnetic fields.
My guess is that it has fine iron powder inside but that's just a guess. Someone please correct me if I'm wrong
@@madallas_mons you are correct
Magnetic field viewing film is made up of tiny sacs of nickel filaments, not iron, suspended in oil embedded in plastic film.
Yeah
@@horus2779 dip into some Ken Wheeler
Next video : turning off and on gravity.
Ooo i would like that 😂
It happens on Lagrange points between the earth and the moon, their gravity cancel each other.
You need data from inside the black hole to do that. Someone call Matthew Mcconaughey quick
If this is true Newton will be disappointed
@@rhythm5080Mickey Pearson(gentlemen 2019) is busy man , we need kipp thorne for the data.
my magnet doesnt work :(
"have you tried turning it off and on again?"
Thank you...It worked!!
What about rice
IT Crowd 😃
*off and on
Not the other way around
Underrated comment.
I am a 61 year old DIY dabbler and inventor and I am addicted to your show. I usually know what the outcomes of your experiments are going to be but sometimes I don't and I enjoy your presentations either way.
I've seen these used a lot in machining for things like holding dial indicators and have always wondered how they worked. Thanks for the info.
You're probably using an electromagnet.
@@namename8004 I'm aware of what he's talking about because of past experience in machining. They're not electromagnets they are actually switchable magnets. When you turn the switch it rotates the magnet in side the base thereby switching the polarity of the magnet.
Did not expect turning off magnets would require more magnets.
Its like love triangle lol
Science
It's incredible
I used the magnet to destroy the m...
not necessarily you could use one magnet and cut it in half
The dislikes are from the electromagnets.
Likes are from the natural magnets who enjoy evolution
Reason: For killing their kind
They should pull themselves together and deal with it.
It's because they got stuck watching this video. :v
28 magnets
You can also suppress a permanent magnet using Lenz’s law, by coiling a wire around it in much the same way you would make an electromagnet but in reverse. Once you apply a current to the coil when arranged correctly it will suppress the permanent magnet with an equal and opposite electromagnetic polar force. We use this principle in railway engineering. You should give it a try :)
That’s basically what he just described. Except you’re using an electromagnetic of the same polarity, rather than a permanent one.
@@jasgk74 pretty different to what he described then...
Yes & no. Potato, potäto. Either way, both ways are pretty cool.
@@jasgk74 agreed 👍🏻
*Lenz
action lab is only popular channel still being real and not that stupid accenty tone and no clickbaits.
he ACTUALLY delivers whats mentioned in title. super amazing.
I'm a welder and these things were a game changer, they help with everything from fit up to simply being a mag vise for easy grinding. the company I worked for owned them and I haven't used them since (there's priorities for my money to disappear to) but I've been looking forward to buying a set of them again
I'm a welder too and we use switchable magnets for lifting plates on the cranes we use
I appreciate how excited he is about all his experiments. Wish I had more teachers like him.
Sure, but the video is around 8 minutes longer than needed for such small thing. Explaining the same thing again and again make me annoyed. Obviously he wanted space for more ads.
@@AntiAtheismIsUnstoppable your grammar “make me annoyed” 💀
I would be too.. "when you turn it on it sucks it up"? Sign me up for one! 😁
@@AntiAtheismIsUnstoppable you need to learn that that's youtubes fault not his.
If I can get interesting content for free and all I have to do is skip through the boring parts? I don't see the problem at all.
You should be blaming youtube and not him.
lucky you, from your writing i assume that you have at least one or more good teacher, me no one😥.
The Action Lab: Now let's test this theory out with my trusty metal sheet
The Metal Sheet: **KILL ME**
I think he's trying... 🤣
I didn’t even think it was steel when I first saw it. Looked like a sheet of plastic that’s seen some things.
@@trindalas *"Seen some things"* ah right right.
"Later" (Meet the Medic)
I thought it was a huge slice of cheese at first 😂
The one time that "reverse the polarity" is the correct answer.
That one quote from Doctor Who
Jon Pertwee would approve. 😛
hahaha
@@anklihlaanlestrange4881 Huh? I thought that was the standard-solution for every other problem in StarTrek.
The other solution being: Kirk punching / romancing it.
@@robertnett9793 "Rotate the shield harmonics"
Grazie.
Beautiful simplicity on that switch design -- thanks for breaking it down so cleverly.
I'm just wandering how he's gonna separate that chunk of steel from that monster magnet.
Easy. Just heat it to its Curie Temperature by setting the lab on fire.
@@grantmalone 😂😂
He needs to call Thor for that.
@@grantmalone And kill the magnet
By putting an other monster magnet next to it! :D
I've seen this on my workbench at school and it made me curious about how it works, and here is the answer
Yeah same😄
It made me wonder why magswitches cost so much. Because everything woodworking does, I guess.
check out the metalworking equipment... woodwork is peasantly cheap in comparison
@TheActionLab, I've been playing with magnets for years. I did not know this and was like "what is this voodoo magic magnet that can turn off?" A couple twists later, AND IT TURNED OFF??? 🤯🤯🤯 Awesome video, thanks for teaching me something.
Didn't You see a magnetic excavator? In Cartoons or Real life?
And finally, a great use for a 1943 steel cent. Great video, with a lot of valuable information.
Great video. I always thought the 1943 penny was made from mostly zinc. I never realized they actually were mostly steel, even though they're called steel pennies. I've been wanting a Magswitch for years because they're just cool.
Awesome information and demonstrations! You just covered like 10 of our articles in one video!
I have some of your magnets. love them. thanks
I have seen this "switchable" magnet system on a portable drill press which uses magnets to attach itself to whatever steel item you are drilling, in my case, a large "I"beam.
I was intrigued by the way it could be switched on or off just by turning a dial on the side, and now I know how it is done thanks to you!😉👍
Actually magnetic base drills are electromagnets.
old drill bases use a different method ..... There is another way to do this , old Machine shop magnetic bases use a round magnetic inside of steel cube with 1/4 inch of non ferrous brass separating the two Steel sides.. When the north -south poles of the magnetic are aligned n the brass the magnetic field / flux completes the path shunting the the magnet = Off condition . Switch On by rotating so north-south poles are aligned to the steel . The NIB magnet ( Neodymium ) design seen in the video has a more powerful holding force than the the old base but old Machine shop magnetic bases are still sold so must be cheaper.
A variant I've seen on stationary machines is alternating brass and steel plates, and the magnets slide to align under the steel (to engage) or brass (to release).
I first encountered this with a metal surface grinder. The magnet is strong enough to hold the steel being finished in place. It is released by turning a lever. I never figured out how it worked. Thank you for the explanation and demonstration.
It may be this method, may be just magnets sliding under a brass-steel pattern. On the one I saw, the stripes were quite visible.
When welding frames, you can use a magnetic square that has a mechanical switch on it, once the magnet is "on", the square is able to stick to metal pretty easily, when flipping the switch "off", it interacts with some mechanical components that move the magnets inside the square away from the inner walls of the square, moving them as closely inwards as it can
Really, I was obsessed in discovering this switching magnet's execution and your video became the end of my search. Thanks for an excellent instructional video job!
Thumbnail seems interesting.....
Lol
I don't get it, (i can tell it's something sexual)
XD
Shut up
@@YellowLAVA turn off aka "not be horny anymore" and the ""intresting"" part of the thumbnail is it looking similar to flaccid male genitalia.
Yes I just explained the joke, yes I also hate myself. Thank you
Holy cow !! That sheet of steel has been through some real shit :(
F
F
F
F
F
I felt sorry for the steel plate. It looks it has been through a lot
Don't. They are resilient and bounce back. Always do. God, not science.
Steel plate: "Kill me"
Action lab: "Later"
still*
Thank you. In university I was forced to learn something about magnetic circuits. I don't know if it was explained in the lectures but I feel like i am only starting to get it now.
I use these magnets at work to move huge metal parts, always wondered how they work awesome video!
You know the science teacher is cool, when he use memes to demonstrate the process
Spleens
Lungs
Kidneys
@@mr.potato3779 tonsils
@@mikkel5248 arteries
I never seen the real magmatic fields ,that's really amazing 🤠🤠🤠🤠
soccer field on a volcano
get some iron filings on a piece of paper and put a magnet on the otherside and see the magnetic field
I can see magnetic waves.... Theyre everywhere
for some reason this reminds me of redstone, using magnet to turn off magnets.
@Satsuki Shirotae yes
I´ve used those on - off permanent magnets in factory for years, and I´ve allways asked my self, how it works?!?!?
(no one couldn.t explain this)
With on - off switch, knowing, there is no current. (you can not open them without destroying them).
Good explained THANK YOU SO MUCH! ♥♥♥♥♥ Finally discovered this antastic channel!
Grüße aus Germany!
As many people here I was aware of that but newer understood how, welding clamps, or also grinding accessories, many thanks for the explanation!
how can you build a "magnetizer" so that you can magnetize screwdrivers, hammers, etc.? How do they do it commercially?
As far as I know, they apply a very big magnetic field to the metal, so its spins get aligned
I don't know how to do it permanently but I keep a strong magnet on my bench and pass a screw driver over it a few times to temporarily magnitize it to get a screw in a tight spot. Or just stick a small one to the tool for an instant magnetic tool. Commercially? idk.
They are done by powerful solenoids....the piece of metal that has to be magnetized is place inside the solenoid and very large amount of current is passed through the solenoid which in turn creates a strong magetic field around that metal and that metal becomes a permanent magnet.
Screwdrivers just rub it on a strong magnet or leave a small neo magnet stuck to it. It wont be that magnetic but will hold a screw. Real magnetizing fixtures use solid copper gold plated buss bars a truck battery size capacitor bank and I assume large transformer? to develop a quick massive current to the fixture. RUD can happen and blow the heads off the bolts if it's not done correctly. Not sure about the transformer but the capacitor bank is big enough to need wheels. Putting a pre magnetized pc in a fixture needs to be oriented correctly or you just made a missile.
You just keep running the tool over the magnet in a single direction or run the magnet over the tool in a specific direction and it'll magnetize the tool.
Wow, that was really cool, professor!
The moment when you can't hear the difference between "still" and "steel"
This was driving me nuts during the video.
I have friends with a similar accent, and their last name is spelled "Still" but pronounced like "steel."
Good use for the subtitles function... Oh, wait...
What a perfect example of practical science making a solution to a real problem! The delivery of the best solution, and the trial and error of impractical methods gives an evolutionary climb to resolution. The next step, is of course, to refine and improve the best (as YET KNOWN) method of turning off a permanent magnet (perhaps an electrical trigger to make life even easier).. THAT said, I want to play with one of those magnets now!
I had some theories about how these worked but didn't want to buy one to take apart, this was very informative.
I would like to know where he got that steel penny. Those were minted and used during WW2. His looked like it was in great condition.
Yeah I saw that too I was completely dumb founded that he was just flashing those around. I wonder if he knows what the value of those pennies are?
I thought I was the only one that noticed haha glad I’m not alone 😎
You can get them at most coin shops or online. There were more than a billion of them minted, so they're not at all rare.
@@fullthrottlenotoggle19 Those pennies are worth about twenty-five cents on average. They're not at all rare.
Looks like they're re-plated, so practically worthless
3:50 Many modern soldering irons use this effect to control the temperature of the iron tip.
It's always a pleasure to watch your videos...no hidden things, no incorrect statements, no ambiguity.
I wish you had a video that explains details of a permanent magnet table (a lever is used to neutralize the attraction force). No existing videos go into polarities, thicknesses and material specifications, so I personally hesitate to start a potentially expensive experiment???? 💯
These are cool, my dad has one on the base of a tool he uses to check center when turning materials on his lathe. I have always wondered how it works since it is not an electromagnet, thanks.
Thank you for clearing some important question about some tool we've been using in machining.
great video, i had no idea! would have been useful to see the inner workings of that magnet that turns off. a cross section or something.
I know these switchable magnets from my apprenticeship we used them on the mill to adjust the vice on the mill table.
They held the dial indicator on various positions on the mill
nice vid
You should say that the energy (work) required to switch off the magnet is the same as the work that can be transferred to a mobile 😎
A mobile?
it's either your having a stroke, or I'm having a stroke.
@@nikofox8513 Probably both
By mobile he means any object that you can effect with the magnet.
@@jvcrules ahhhhh
So if the magnet was in a fixed position and kept picking up the weight and dropping it as it was turned on and off, it would be doing "work". But does the work to turn it off and on use more energy than the work its doing? If it doesn't you have found an amazing power source
I remember a couple years ago I was playing with some magnets I had and figured out that they have values; that they’ll cancel each other out if one is facing north and one is facing south. And now I’m realizing, I pretty much did figure out how to turn off magnets.
I feel so smart.
I didn't know that it was possible to the the 3-D lines... Damn... Nice research bro
Bro??
@@raybois
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When he showed the switchable magnet, I instantly thought "It probably has a second magnet to cancel the magnetic field of the other".
Ok
I love how he is casually using a 1944 steel penny in his tests. I wonder if he knows how much it is worth
1.5 cents
They’re probably 1943 pennys
1943, and the steel ones aren’t really worth anything, only the copper pennies from that year were rare
I have a penny from 1954... It sells for 6 dollars online
Lots of countries use steel in their coinage
I use switched magnets for welding fabrication. What's really neat is when off even metal filings from grinding come off. I now use them to vacuum up the bench and drill press.
i noticed this when i was a kid and playing with magnets. always wondered what was going on. this is really cool and is great to finally know why they do that
Here’s what I learned: I need one of these magnets now
look at places like mscdirect or mcmaster-carr, they have bases for indicators used in machining that have used this tech since the 1920's, and they are much better designed to be useful as a magmount for things rather than as a pickup tool like the one in the video... for less than $40 you could get this part number from mcmaster 20715A44, and it even comes with the indicator ( a crappy one, but you want the base) you could prob use it to mount cameras and such
edit: I just looked back at the product page, the thing can hold 132 pounds if that matters at all, lol
@@schwig44 thanks for the info!
@@homelessrobot make your own. piece of iron and 2 magnets,just flip one magnet
When I first got into machining that was one thing that blew my mind was the indicator bases. It was an on off switched magnet and it was incredible to me
i had no clue what was going on but i found it very satisfying to realize what it was before it was revealed, what tipped me onto it was the handle being turned around
Such a simple yet genius item!
i LEARNED something amazing, and im probably gonna go try and make this (and fail.) but thank you anways. this was pretty cool to learn
:)
Ah we use magnets like these for welding! I was always curious how they turned on and off.
This is a really interesting video. For some reason, it feels like I get smarter with UA-cam videos more than school lessons.
Agreed
Correction: you **are** getting smarter off of UA-cam content.
Well, as long as you get the point, it's alright. I appreciate the grammar correction, but I really ment "I", not "you".
@@dude9159Pog
@@dude9159 No it wasn't a grammar correction lol, it was a word adjustment from "you feeling" vs "you are"
Incredible teacher! Been following for a while… Scribes, and I say…
It's awesome how are you taught us first, how magnetic flux will shortcut through the steel plate… THEN ! You showed us how it's short-circuiting through their manufactured magnet block … Awesome technique , I understood it right away! Thank you so much , awesome content always
I use these quite a lot at work, they are very useful to position holders that hold sensors around a test article. Put it in place on (or below!) the steel base plate, turn the knob and it goes nowhere. Make sure the magnetism doesn't affect your test though. I had some idea how it worked, but now I know. Nice video!
I have often wondered if magnets could be paired with mechanical linkages to produce perpetual motion. Then I remember friction. Could a friction less mechanical linkage be possible ? Maybe those magnets that levitate ? Liquid bearings ? Is there some energy source that we have not discovered yet that will overcome E=MC squared ?
Q. Make a gear system, with this effecting another perm magnet that runs a rotor- then you have magnets "working." Or, no matter, they will always neutralize each other? = jam up and stop. Well I've seen fake? electric comtroled mags do this, but suspecious. Never seen someone UNPLUG a device and have it run by itself.... So, is mahgnetism FASTER than electricity? Or, can electric current trick a magnetic field?
I LOVE UR VIDS
so by angling magnetic poles 180 degrees you can “turn off” the magnetic field. so wouldn’t it make sense to be able to amplify the magnetic field by alining magnets so their poles are at right angles to each other?
Yup. Particle accelerators do this along the entire ring of the accelerator. Though, the magnetic field in this case is less responsible for accelerating the particles and is more like a gutter guard in a bowling alley.
You are absolutely my favorite new channel to binge.
Can you have a demo of electrogravity? 1) Using capacitor plates with + pointing upward. 2) using a ferro-mercurial mixture turning in a toroid? I found this very interesting when I was in college.
One thing I would like to see demonstrated is "What happens if the two permanent magnets have opposing orientation at the coin and you add an identical coin to the opposite side of these magnets".
The result won't be much different. The neutralizing effect will be somewhat enhanced because the magnetic field will be more efficiently contained.
Is it weird that I was constantly distracted by the extremely rare steel pennies that he’s casually using for a science experiment?
i have no clue but he is useing 2 of them for it there is no way that he has them without knowing
Also distraught at him letting washers and other metal slam into them denting the faces
@@SuperWhoremuffin!
Steel pennies aren't extremely rare. Copper pennies of the same year(s) are the rare ones. They were made of steel during the WWII era because of a copper shortage.
@@flywithoutwingz Huh, TIL. Thanks for the history lesson. You collect coins?
Great vid! I'm thinking the same effect can be done with a permanent magnet and an electromagnet just by reversing the electrial connection?
Why? If you already have an electro-magnet, what would be the point?
I worded it wrong. I think there's a way to use a small electromagnet to turn off the magnet instead of using another permanent magnet. Just a thought.
@@bob4analog - I don't get it, but there's a lot about electro-magnetism I don't understand (most of it), so I'm not going to argue the point.
It's just another trick with combining permanent magnets and electromagnets.
very good explanation
thank you
Just every videos starts with iconic start
K&J Magnetics is a great source for all sorts of magnets like this. NOTE: be very careful letting magnets snap together! Neodymium is extremely brittle and fractures easily creating some pretty sharp edges and teeny fragments that stick to things and are a pain to clean up (usually I mash duct tape onto the magnetic "gravel" and that does the trick).
Wow, amazing video.
I never thought it was possible but thanks to you, I learnt something new today.
I have always been fascinated by magnets..
Keep up the good work mate.
Now this person is bending the physics
4:17 the Weller Magnastat soldering irons also work with a magnet that is switched off at the Curie point. If the temperature drops, it becomes magnetic again and the soldering iron is switched on again. This is available for 24 volts, 120 and 230 volts.
I was a Tool and Die maker for 40 years and we had a permanent magnet chuck to grind parts and we could turn it on and off by sliding another set of magnets over the other permanent magnets. This has been around for a long long time.
Love from India 💕
Love these magnet videos, thanks. They've helped clear up a lot for me. How about some ferrofluid videos? I'm very interesting in magnetic spheres coated in ferrofluid as a means of reducing friction across rolling surfaces.
Love it when he says “ hey everyone today we are going to ......” that’s his intro in every of his videos
I use the MagSwitch product all the time to hold feather-boards to the case iron top of my table saw. I love the concept, but I would really liked to you take one apart and actually show the mechanism.
Thankyou , It is very use full in my project
0:35 Ahh... The memes
Why go to school when I can just watch your videos all day school will never teach me how to turn on and off magnets
The Action Lab: A Permanent Magnet That Turns On and Off
Me: Real Life Sticky Piston
Very interesting. That last graphic showed it perfectly. So this is how the magnetic base for my dial indicator works. Thank you.
The world needs more people to subscribe to channels and people like you 👍
Could you make a piston engine with it -turn it off when piston goes up, on when down. There, energy problems solved. Waiting for my Nobel prize...woohooo😁
I was thinking the same thing, you could totally get infinite energy from this
@@jclenz9103 except the force required to turn the magnet is equal to the force it outputs
Electric generators used to run around 30% efficiency. Put a coil of wire in the magnetic field and the force to move the magnet to change the field will vary with the energy drawn from the coil. Maybe not that simple but no free energy.
@@dalekincaid4140 Most generators are about 90+ % efficient.
That giant steel nail is actually a railroad tack.
Spike
3:22 Jared Dunn is that you
I feel like a easier to understand explanation of the thick steel example would be that the steel is like a sponge, it can take in and absorb smaller magnetic field but if you have too big of a magnetic field it can't absorb all of it and some of it leaks through.
THIS is why I love your channel. Please keep doing your thing.
0:38, Lol that meme.. 😂
It's making me laugh..
Nice👍👍👍
Nice
Nice
Nice
Nice
Nice
Where can I buy one of those permanent magnets with the switch?
Magswitch. On Amazon.
going to magnet fish with it?
@@Indian0Lore sure right after he feeds them nails
Thanks , Action Lab Guy! Today I learned!
I use the same switchable magnet but bigger to sometimes pick up steel parts at work and was always baffled by how does it work since its not electric. Thanks for telling me how they work. 👍
Why am I understanding this better then what my physics teacher thought me
Because it is shown and not just told
Because you didn't pay attention then. You're paying attention now.
@@sangramjitchakraborty7845 who told i didn’t it was a joke, kid
Because you've had time to let it sit in your mind. All science/math learning is like that.