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Turn the whole thing upside down and feed the toothpaste in through funnel. Prevents the holes in the paste from trying to pick it up. Also, use a toothpaste roller to empty it fully and keep the air out better for a true fill

*lights mint on fire* "it smells like if you lit mint on fire!!!" Legendary

Science! Your enthusiasm and persistence is so fun to watch. Cool to watch your iterations and problem-solving. Cheers!

How does it feel knowing that you are probably the first person to put plumbers tape on a toothpaste tube😂

This is the new grant Thompson. His channel will explode. The production here is insane

Emptying one tube to fill another... tube: Am I a joke to you?

I could go on forever perfecting this thing but I think I demonstrated all the principles necessary to do it right. FASCINATING though, right?? This one was a little different. It was a little more science experiment than building, but problem solving and learning is at the core of my channel.

The expression arose back in the days when toothpaste tubes were made of soft metal, similar to those still used for oil paints, prior to 1980. The plastic tubes used now are much easier to refill.

Never thought I'd see teflon tape being used on a toothpaste tube, yet here we are.

You are the best

I wanted that to work so bad. Seems like you would have to have the cup under vaccum to eliminate the "slushy cavity"? Also, slushy cavities, dentist light, toothpaste, this is an orthodontic dream video.

Man I LOVE seeing just how excited you get about these projects, that definitely makes the video for me

What'd you do last night? Oh, nothing much. Just sucked toothpaste tubes full with my brother.

Dude! Your video projects just keep getting better. You sir, are kill in’ it!!

Your channel makes me happy and excited. You get so into your random projects, and almost every video you've made has been interesting. I love seeing what ideas you come up with next and seeing the process of how you make it. Keep it up, man. I love your content!

6:14 he filled the tube of paste by inverting his pressure xD didnt realize he just succeeded in his experiment to fill the tube of paste xD

I love how excited you get about everything! It's great to see you just enjoy what you are doing.

"That Tube has never had more toothpaste in it not even from the factory" i want that on my gravestone

You do a fantastic job with your videos, experiments, and have a great personality! Keep up the good work!!

Another great project and video! Your projects and edits are so good, it's criminal that you don't have more subscribers. Keep up the great work!

Just came from your ice in a steel box video. Im gona subscribe

Best video of yours that I have seen. Great job, some other videos lacked explanation of what you were doing and why I thought. Really like this content though, simple and to the point is awesome!

This was a great video.. You proved the concept - it was just the details that let you down. Cudos to your brother for being so patient.

This is so wholesome, I love it! Keep up the good work!

Very interesting. Another cool video in the books. Keep them coming Tyler!

Hey brother dope video! Love science experiments 🤙🏼. My observation was that the volume of toothpaste sucked back upwards is limited by the high viscosity and weight of the paste. The atmospheric pressure is rushing back into the tube so fast that it turns into a contest of toothpaste viscosity/resistance vs. pinpointed air pressure. Eventually the air pressure is so high that it simply carves a path into the surrounding toothpaste to make room for the rest of the air to fill the tube. Imagine you’re blasting compressed air through a small handful of elmers glue. At some point the compressed air at a high enough PSI would make its way through and you’d feel the compressed air directly on your skin. I think either the intake tube should be a larger diameter to accommodate the high viscosity, or it would need to be a less viscous toothpaste. Great experiment! Keep it up!

The quality of your content rivals those with millions of subscribers, keep up the amazing work 👍

Bro you are absolutely killing it. Your channel is going places, fast

this is the most chill dude in the world . Love the content!

Awesome video dude I like how persistent you were and kept trying and trying and you were so close awesome job buddy 👊🏽

Your excitement got me to subscribe keep having fun bro

The practical joke potential on this one is huge. (Frosting instead of toothpaste for example)

3:19 alright Owen Wilsom, calm it down. 🤣 Love your content amd enthusiasm!

Great video! I think as another thing to try, I would have tried turning the vacuum off and on while moving in the dish. I know some might leak out in between vacuums but I think it might work. Or a deeper dish with a lot more toothpaste might work? Lessen the potential for air capture? Maybe there would be more hydraulic pressure from more toothpaste, and also make it not so easy for air to get to the end of the tube. Consider the syringe analog - medicine bottles usually have a lot more than one syringe full of material.

How am I just finding your channel?! amazing content man!

Can't believe I haven't found your channel before today. Awesome stuff!

Man, I was not expecting the viscosity of the tooth paste to be such a problem! Cool video!

I may be wrong on this but I'm going to give it a shot. I think the reason for the final test(s) failing is the following- Originally, when you first start the vacuum pump, it draws toothpaste from the cup into the tube, but as soon as enough vacuum is pulled in the chamber, it is too much for the toothpaste to handle. Basically at that high of a vacuum it is easier for it to suck air through the toothpaste, into the tube (basically making a burrow through the toothpaste in the cup, to the tip of the tube on the vacuum chamber, creating a direct path for air to flow), than to just suck up toothpaste. I have a few thoughts on how to rectify this issue. Firstly, you could try regulating the vacuum to only draw as much as you actually need to suck up the toothpaste (and not create an air path). The only problem with that is that eventually, the tube would get full enough to where you would HAVE to draw a vacuum higher than what the toothpaste can handle. This is where the second idea comes into play which is to increase the depth of the cup of toothpaste. More depth of a liquid- harder to create hole. Tyler, if you see this, take it for what it is lol. I'm just an 18 year old writing my thought process down in the comments section, but I THINK that is the problem.

I've watched three of your videos and i have to say, you are very underrated for what you do❤❤

All this work for 11 minute video gotta give it up to you bro keep that hard work up and you'll go far bro your channel will go far I like your attitude and your curiosity it's amazing¡!¡

Great video, great editing, great vibe going on. You rock 😃

tube: inflates happy music: stops

I always appreciate your enthusiasm

Such a sweet human I wish him only the best in life

So close! Fun video, Tyler!

I love how much fun he is having

1) warm up the paste to help with viscosity 2) fill up the can with air 3) insert a thick needle syringe down to the bottom of the can 4) push paste throw the syringe, slowly and the air will pump out.

i just picked up a syringe and put back, cause i put much in toothbrush but yeah making a vacuum chamber works too

This man needs more subscribers! Great videos!

Awesome stuff Tyler! 😃👍🏻👊🏻

Now that's a wonderfully silly, but still extremely interesting project - it fits your enthusiasm perfectly! 😄

Amazing video. I love the authentic demonstrated discovery. So fun to watch.

I’ve done this before and it’s way simpler than you’re working on it… Was leaving on a trip and since you can’t take a real tube of toothpaste on a plane, so I decided to take some small travel ones I had from previous trips. Noticed they weren’t quite full anymore(because they’d been partially used). Here’s what I did: blow in the tubes to inflate it causing the tube to inflate as much as possible, then hold the tube in my hand and tap the tube w the open side up to make sure all the paste is at the crimped end and any potential air pockets/bubbles. Next I squeezed till the toothpaste just reached the opening removing any air inside(sounds counterproductive as I just filled it up right? Just keep reading) Then hold carefully 2 tubes opening to opening and squeeze one to force the paste from the one emptying to another one that’s filling. Boom I just refilled the tubes. I could just have taken the partially used tubes but honestly I didn’t wanna take about 8 half filled tubes, instead 2-3 full ones. Same principle, same process, different result and you can do the same w full size toofpaste. End

Possible as one viewer suggested to invert and use a funnel. Might I suggest a solid syringe setup? Free moving plunger at the bottom, rigid sides so you don’t collapse and block the outlet of the external tube.

Great video, it was really cool to see your discovery process!

03:20 thats such a good feeling, when something finally FINALLY works

Great video. I loved seeing your excitement.

This is just a great video idea. Something you'd see on Mythbusters!

The simpler solution would have been a giant syringe like a flavor injector. If you want to overengineer it, make the syringe powered off of compressed air. Toothpaste is a fluid with a very high viscosity. You could see if a funnel and gravity alone can shove the toothpaste back in given enough time. Granted, it'll be like the pitch drop experiment taking decades, but it'll be interesting to see.

I just found your channel. I am going to watch them all now.

You could try to vacuum the cup of toothpaste to get rid of the air bubble on bottom.

It is surprisingly easy to transfer from one tube to another. Hole the open end of the source tube up to the destination and squeeze. I use this technique to refill a travel tube. Save money and travel with a different paste than what was originally in the travel tube. You could print or mill a custom adapter (double-ended cap with hole) and do the job much faster and better than I.

My dad was a deep water sailor in WWII and the Korean War. He said that the Navy used two methods back then to test whether a chamber was air tight. One was to flood a space with water and see if it leaked, the other was to pull a vacuum in the space. He said it took a lot of water but a very small pressure difference between the outside and the inside of the chamber. BTW, you are really cool. I'd like to say you should become a middle school/ high school science teacher, but I can't. Teacher salaries are abysmal---I know, I'm a Special Education teacher. Figure out a way to teach science AND make a decent living. I LOVED your video!! BTW, Sir Arthur Conan Doyle modeled Sherlock Holmes on Dr. James Bell....seems like you Bells are a cut above the average bear. 😉

I thought I might point out that "Teflon" tape is not great for sealing. It is to help tapered threads glide better to get a much better seal. I just came across your videos today and I am quite enjoying them. :D

This was super entertaining. And your editing and production work really shows! Your sister Riley sent me lol

I love how excited men get from filling up a toothpaste tube

Such a fun video lol subbed!

Love the science in this project! Thanks!!!🙌🙋‍♀️

Amazing! I'd suggest you use a longer and thinner plate to put the paste, and a way longer tube. Just make the tube reach the bottom.

Random thought from seeing you post about this on IG. You don't want to drop the pressure around the whole tube at once. if you could draw the vacuum from the front of the tube and expose the rest of the tube to the vac incrementally you might be able to draw less air.

I think the solution would be sucking the toothpaste out of a reservoir that has a sliding seal and rigid sides. Something like a caulk tube or a cake decorating tube for frosting. That way it prevents it from sealing itself and instead of creating a bubble, you just reduce the overall volume of the reservoir.

I love your enthusiasm! And don't huff toothpaste! I think I solved this a while back and haven't tested it yet. Your method will work, but you need the toothpaste in the refill container to be air tight. (I mean duh, you proved that!) I'll test my method and get back to you.

What a good big brother. My oldest brother would already be done with me after the first time. My middle (still older) brother would be flinging toothpaste at me while we both figured it out.

8:15 Who else almost died gasping for air from laughing?

I tried to fill a seringe with grease to use it in bike repair. I tried filling it the lazy way, stiking the seringe into the grease and simlply sucking it in. It worked fine for a moment but after a few seconds i was sucking only air into the seringe. The grease was just to thick.

Could you use a vibrating platform to set the toothpaste container on to help it continuously settle the toothpaste to the bottom? Similar to when you get air cavities in a slurpee, if you gently tap the cup on the table, the void will be filled. Think of it like when you pour concrete and you use a vibrating tool to remove the air pockets.

U are so underrated u deserve a million subscribers

It’s possible to do this with a small amount of toothpaste if you press the sides in the right way, so when we had that of example of “words are like toothpaste, you can’t take them back” and I was able to put back the small amount the look on the teacher’s face was priceless

Maybe you could try to vacuum out the air bubbles in the toothpaste cylinder and then sucking it back up as you were doing. I imagine when you squeezed out the toothpaste into the container, you trapped air bubbles in between each layer.

I truly respect that you tried a number of times, good, subscribed😊👍

Yeah, I can tell already this channel is going places.

Make the cup of toothpaste warmer, and also reduced the speed of the suction with a variable valve. Doing those things should allow the toothpaste in the cup to refill the gap (being produced by the end of the tube) more quickly, thus keeping air from entering the tube.

For sucking the toothpaste back into the tube, use a collapsible container like a bag to hold the toothpaste. As it is sucked out, it will collapse and not leave a pocket for potential air to get into and be sucked up. Same principle was applied to baby bottles to help the baby from sucking in air, thus reducing the amount of burping needed after.

I think the reason why the burnt toothpaste was so reminiscent of marshmallow is because a lot of toothpastes contain sodium bicarbonate, which caused that fluffiness and rise, that's my hypothesis anyway. didn't see anyone else mention it so thought it was worth a shout.

Much under rated youUtuber.... Love You Bro... You're going to go far... Love from India

have you tried vibrating the air bubbles out of the toothpaste? ultrasonic cleaners, or even massage pads work quite well, or you could easily make something with a sander, or an offset weight.

Nice Job Tyler... Just subbed buddy... Like your motivation bud.. 😜

Fluoride gas? This was fun, but what’s a practical application? There has to be one.

I think the toothpaste is just a bit too viscus so when the nozzle sucks up some toothpaste the surrounding material doesn't immediately rush to fill the void as a liquid would, but holds its shape just enough that air can rush in before the toothpaste can fill the void. I would suggest putting some plastic wrap over the toothpaste cup so that a void in the toothpaste doesn't get filled with air.

Only 30k subs?! You deserve more man.

This was the most interesting video i have seen about toothpaste

put the toothpaste in a deep, narrow vessel, like a champagne flute or large test-tube, stick the straw to the bottom.

If you put it in a plastic bag, it will just suck all the toothpaste and not form a cavity.

If you replaced the tray with something akin to a caulking gun tube, the tray capacity would shrink as toothpaste was drawn into the tube (i.e., rather than leaving behind air).

Found you via Alec Steele, and I'm not disappointed!

tyler's mom: dont waste toothpaste you cant put it back in the tube. Tyler Bell: yes I can...

This man is literally tearing the fabric of universe apart

This sure makes alec's vacuum chamber from when he was building the cavalry saber look silly

3:20 is a top-tier owen wilson impersonation