Can You Charge A Phone with Marbles?

[@ForgeCoreCo]

You gotta have a lot of balls to attempt something like this

[@Engineezy]

Maybe, or I’ve just lost my marbles…

[@alex_is_my_cat]

@@Engineezyif you lost your marbles why do you have so many

[@CFedits62]

​@@alex_is_my_catthat's pretty ballsy to ruin the joke chain

[@daffydj]

​@@CFedits62There's nothing to sphere, the puns can always roll back into this chain.

[@garyha2650]

[@schuylerbrock]

"Engineering is all about finding solutions that will make all the work you did last week obsolete" Love that! And so freaking true 😂 As frustrating as it can be, that's totally the point! I'm always impressed by your patience with these projects. That makes a huge difference

[@schuylerbrock]

You should make merch with that line. I'd buy it!

[@aserta]

I setup my brother's farm with water batteries. We're up to 27 now, each about 30k liters of water. Sun moves it up with pumps in the day, turbines make power during the night. It was the best deal, because water is also a reserve for irrigation purposes, to that effect, we plan to expand it all along the borders of the land, which is basically useless because of the hilly nature of the property. Other than maintenance on the pumps and turbines, clean-up of the solar farm, there's basically no other worries, not for the duration of our lives anyways.

[@lupusk9productions]

should post some vids on that! sounds interesting

[@mikebond6328]

No video?

[@mikebond6328]

That’s a lot of water.

[@xtofury]

I've been thinking lf doing the same since our property is on a slope.

[@Engineezy]

Sounds very cool, would love to see some videos on that

[@CyborgX7]

I had this moment a while back as well, where I wanted non-chemical, preferable mechanical, energy storage and wondered why there wasn't such a thing on the market. Then I did similar calculations to yours and quickly abandoned my wish. Good on you for actually building it yourself and seeing how far you could take it at least.

[@WalnutBun]

The fact you felt the need to make sure the laws of thermodynamics still apply is hilarious to me

[@Engineezy]

We are all slaves to thermodynamics 😵

[@obeseperson]

sometimes you just gotta hope for something you know is impossible u know

[@LucasOQ]

And it’s why it doesn’t power itself

[@superslimanoniem4712]

I did kinda hope the single marble at least worked, haha

[@bobguy6542]

It technically CAN power itself, just not for very long. But that's because he already input a lot of energy into the system. With major redesigns there's no reason that the protentional energy can't lift more balls, as long as he input energy into the system to get the balls there. Same way that the Hoover dam CAN use it's output to pump more water into Lake Mead... until it runs out of stored energy (water). So it's dumb to do, but it CAN do it without breaking any laws of thermodynamics.

[@Roobotics]

As an EE I think your setup is likely suffering a lot due to motor choice, steppers don't make for amazing generators at reasonable speeds. Most hobbyist steppers run lower voltages so when you reverse that and spin them, you get a fairly low voltage output that makes dealing with it for power harvesting, a real headache, the losses of rectification start eating a huge portion of the output as a 'simple diode drop' is now at odds with the voltage output as a ratio. DC treadmill motors are fantastic because they already self-rectify and are usually spec'd ~90v DC input usually, and even turning them by hand can make something momentarily useful. You would need to regulate and not over-voltage your phone of course, but you likely won't get 90v out, probably more like 10-30v etc.

[@nickryan3417]

Pretty much. While the basics are the same a motor is optimised to work as a motor and a generator is optimised to work as a generator. Using an actual generator will almost certainly have worked better. Dealing with braking current in a control circuit that includes motors is a bit of fun when the motors are stopped but physical movement continues and a power spike is kicked out of the motor.

[@xalwine]

Watched some of the shorts leading up to this. Could never have guessed this was the end goal. Fantastic!

[@Engineezy]

Thank you!!

[@SeatiesFN]

me too

[@obeseperson]

@@SeatiesFN Dude is the prophet

[@A_H_A_lol]

​@@SeatiesFN?🤔

[@SeatiesFN]

@@A_H_A_lol me too

[@Zippsterman]

Wintergatan is perhaps the marble GOAT, love seeing him referenced and the spirit of his work expanded upon. This is some super cool work!

[@federicocaputo9966]

16:33 this guy wanted to literally make a perpetual motion machine. IN THIS HOUSE WE OBEY THE LAWS OF THERMODYNAMICS.

[@Epicdoge1091]

Genuinely surprised how far I had to scroll for this comment.

[@asdfadszfdsafdsfsdfsdfasfa2708]

Not really, nothing wrong with lifting them balls as such, in theory anyways, as long as the number of balls lifted up < number of balls dropping down.

[@Random_Nobody_Official]

@@asdfadszfdsafdsfsdfsdfasfa2708 But less than by ALOT, cuz this obviously inefficient.

[@RachManJohn]

​@@asdfadszfdsafdsfsdfsdfasfa2708since there's a finite number of balls, eventually the number of balls dropping down will go below the number of balls being raised up as the dropped balls are not being replenished.

[@aland8269]

@@asdfadszfdsafdsfsdfsdfasfa2708 what this means is that you can make a timer out of this if you made it efficient enough.

[@U-Mimcom]

I really appreciated that you framed this video in terms of storing electricity, instead of pretending it's some crazy perpetual motion machine. Educational, intellectually honest, and makes the payoff of "it's a battery of balls" way better

[@epicmemelord2258]

1:27 I had no idea the animations were stop motion. That’s actually so cool

[@Engineezy]

Glad you appreciate them (took me SO long to make haha)

[@AlkalineSphere]

i thought it was pretty obvious. great craftsmanship!

[@colinmethot8363]

​@@Engineezy bro, please tell me who your metal marble supplier is! i need me some of those marbless :D

[@alexrogall4543]

I only noticed because of this comment

[@mrcaboosevg6089]

In the UK we do actually have a battery, when there's excess power in the grid water gets pumped into a lake and when it's needed it comes back down through a generator. I'm not too sure if it's overly efficient but it is a large scale battery that works

[@TheNaNaChMan]

Yaa he showed it in the vid🤘

[@Theboardbro]

Wintergatan is my GOAT! He literally commits years of his life on the same task and even though he makes mistakes he continues to press on and not give up!

[@CheeseMeat_]

@@TheTubejunky This comment isnt even about the premise of the video calm down

[@jonathankydd1816]

@@CheeseMeat_ its a bot

[@maricelty7744]

​@@TheTubejunkyLMAO do you understand YOU TUBE'S POLICIES? If so, you would understand that using bots to create channels is PROHIBITED and might get your channel TERMINATED.

[@WolfHeathen]

@@maricelty7744 And yet there's thousands of AI bots on this platform created by Google for the purpose of scraping language data from replies.

[@taylormanning2709]

@@CheeseMeat_it’s because WG’s developments essentially saved this project. It was mentioned about 10 min into the video. It’s ok for someone to get excited about another creator being mentioned

[@3DPrinterAcademy]

I like how the balls are already lined up when they exit the lift but they split and then re-combine for no apparent reason 😂 awesome vid! Might just be your best one yet! 🎉

[@hope8838]

Ball power... Literally

[@creativename.]

flowma balls chargma phone

[@3RR0RNULL]

Reminds me of uwos lab’s fap generator

[@BalticoYT]

Big ball energy

[@iO-Sci]

Serene ball that is a cool and power friend :)

[@oof326]

literal ballz of steel

[@Adrox05]

Can we appreciate the amount of effort, that went into those gorgeous hand-made stop-motion explanation animations. All that for a couple of minutes of video, I tip my hat, They look wonderful.

[@phantomcrafter146]

3:28 Where's Electroboom when you need him?

[@IceBotYT]

FULL BRIDGE RECTIFIER

[@Engineezy]

Haha I should’ve called him in for that section

[@nolanv4227]

FFFFFULL BRIDGE RECTIFIEEEERRRRR!

[@mineland66]

Full bridge rectifier mentioned

[@gianpierocoppola7472]

FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

[@philipmoore9098]

17:03 well if it had been enough power to lift the marbles then you would have gotten a Nobel prize for inventing perpetual motion. Really cool project though and would hopefully work if you hooked up the lift motor to a form of renewable energy

[@TheRealTopHatOnYT]

“Yo bro what’s that thing?” “Oh, that? That’s just my charger.”

[@Chkoupinator]

insanely inefficient charger* lol

[@maxim_samy]

@@Chkoupinator it was a joke

[@LordDragox412]

The P is stored in the balls. And by P I mean power.

[@bw1llis]

*"OH THAT? THAT"S JUST MY CHARGER"

[@maxim_samy]

@@bw1llis aha because it's loud

[@Vambracer]

Insert obvious question about: 1. scaling to the nth degree and reloading using: 1a. solar, or 1b. a series of hand wound springs, or 1c. the local squirrels and 1ci. hamster wheels, or 1cii. peanuts on strings that ripcord. 2. Plus dumb challenges for the internet: 2a. Can you power an easy bake oven sufficiently to make brownies? 2b. Can you power a hot plate and boil water to create steam to power a small turbine?

[@mathijsfrank9268]

So this is what those shorts were about...

[@BLACKTHUNDERGODZEN]

This is something else. The shorts were making an automatic marble pixel art machine Edit: wrote the comment before watching the vid. You're right

[@VolcanoGamingVR]

He’s saying that the shorts he did that were not on the art machine

[@Engineezy]

Yesss!

[@MorleyKert]

Dude this is FASCINATING. So many amazing lessons in here, and you captured the satisfaction of the marble run perfectly. Crazy to think how many marbles are crammed into a little power bank.

[@someguy12901]

oh hey im first

[@parmesanzero7678]

Since you are powering the lift externally, you’re just adding a bunch of resistance between the wall socket and the generator. 13:26

[@TheBananermanThefirst]

I think he should have added a hand crank so he can charge his phone whenever

[@tylerpeterson4726]

He started off talking about the issue of renewables not always being available. So he could theoretically lift marbles using a solar panel's power, then charge his phone when he gets back home at the end of the day, when the sun has set.

[@kyucumbear]

@@tylerpeterson4726 true, but I think it requires a few more marbles and a tiny bit bigger marble tower to make that feasible... also imagine the noise during the night when the phone charges xD

[@HutchinsonJC]

16:28 Putting a load on a generator always makes the generator harder to turn. If you look at diy wind generators you will see that many use a "dump load" [heater element] as a last priority way to keep load on the wind generator so that it doesn't destroy itself in decent wind speeds and spin uncontrollably. If your wind generator was intentioned to charge up a battery bank and the battery bank became full and there was otherwise no load now on the generator, you *need* that dump load to activate so the generator spins in a controlled way, not in free spin. Free spin wind generators will tear themselves apart in high winds. Also, if you glance at some of these Electric Vehicle concept videos where they try to charge while on the move (while driving) using some kind of wind generator or alternator attached to one of the wheels, you'll quickly realize that this is pointless because to spin that generator with a load (the charging of the batteries) attached to it will make the generator harder to turn sapping power from the system. You can not gain power like this because it takes more power to push through having to spin the generator with a load on it PLUS mechanical/friction losses.

[@Ron76844]

Awesome work dude, I was wondering what the shorts were leading to!

[@Engineezy]

Thanks Mr. LaRue 👊👊

[@RupertBall14]

Engineezy can u shout me out im a small creator like you were

[@JamesBrandon-qm5mm]

@@RupertBall14bruv hes not a small creator

[@auralfps]

@@RupertBall14 i dont think hes gonna shout out you, who is literally small

[@alexmaldonado2804]

Everyone was a small content creator at some point lol ​@@RupertBall14

[@Gloopie.]

16:50 that's physically impossible because of the laws of thermodynamics, and how energy cant be created or destroyed.

[@jaredwilliams8621]

You gotta test the laws of physics every once and a while. Just to make sure they haven't changed.

[@Gloopie.]

@@jaredwilliams8621 real

[@xBrokenMirror2010x]

But it's technically possible if the system produces no waste energy. A perpetual motion machine isn't against the laws of thermodynamics, extracting work from a perpetual motion machine is.

[@Gloopie.]

@ everything you said is true. But he was trying to extract it's own power to power the motor. And yes in some cases that's possible. Not for this one though, he would need to eliminate friction, heat, and any other way for the balls to loose energy, which is almost impossible, then he would need to make the balls transfer ALL their energy in the paddle. It's possible for some cases but not this one. (There's probably something I didn't mention too, but you get the point)

[@AgentOffice]

It's not waste if you want the heat ​@@xBrokenMirror2010x

[@BloodyMobile]

I can imagine the conversation with a neighbor: "How're you storing your renewable energy for later?" - "I pump marbles up my attic" - "...wat?..."

[@gregh378]

I've always wanted to try and build something like this, but with levers across two machines feeding into each other in synchronization to lift the ball-bearings higher and take advantage of the potential energy gain. It would be crazy engineering for little benefit though.

[@kriekenzero]

8:55 My dude is making factorio lane balancers in real life.

[@CudesniVuk]

Why is this so true 😂

[@chrisgray4882]

3:33 the rectifier joke was great. I appreciate you explaining it otherwise I might have missed it lol

[@VolcanoGamingVR]

10:04 - Wintergatan is the dude who made the Marble Machine music

[@Literally_hatsune_miku_39]

Yes. He’s making a new machine now.

[@terohannula30]

​​@@Literally_hatsune_miku_39Well original was around 2016 if I recall right and around 2017 he started making MMX, which he then dropped couple years ago. But then he started third machine soon after. So, I would say this is just perpetual project, which will never actually finish.

[@Literally_hatsune_miku_39]

@@terohannula30 yep. That’s all correct

[@arcturuslight_]

@@terohannula30 Yeah, i kinda lost faith after mmx. As much as he keeps saying that he should stop trying for literal perfection and stop feature creep, he keeps doing it over and over.

[@warfric]

FWIW, the channel name is Wintergatan, but the guy's name is Martin. Wintergatan is the name of his band.

[@matiascampbell2464]

I noticed at 16:15 that because you split the lanes into 2, they had a better 'flow rate' as there was one less area of congestion, the next best possible upgrade you can do is likely to solve the flow speed of the marbles and/or use heavier marbles

[@bowieinc]

Really Fun! I’m 90% done with a tootsie roll distribution machine included unloading a 5 lbs bag, up a tracked “Mountian” dosed into a plate based on empty plate sensor. Full electronic schematics done, all 3d printing done, electronics and control panel ready, just having a hard time finding motivation to finish. It’s almost like since I’ve worked out all the issues in my head to make it work, the actually “making it work” has been put on the back burner. Your video has motivated me one step more towards working on it.

[@garyha2650]

Visualize all the enjoyment and appreciation by so many others to see it when you're done, might help

[@bowieinc]

@ oh, that’s good!!! Thank you!!!!!

[@sayorancode]

i signed in to youtube (which i do not often do) . just to tell you that your system is more efficient than the crane one , bc the crane needs energy to move the blocks back down. in theory your system could be used with a material heavier than water ( stainless steel for example has a weight of around 8,000 kg /m^3 which is around 8 times more than water). pumped hydro is way more economical but you are probably already more efficient than most gadgetbahn-investor-scam ideas

[@dannylumcreative]

The animations were so fun makes me want to do some arts and crafts!! sick job jay the scale of this thing is so insane lol. excited for the day you have a whole gallery of all your inventions

[@Bits.Gaming.]

0:34 The "wtf" from the solar panels was really cute

[@Bits.Gaming.]

and the wind turbine probably just died

[@kianr2200]

this is the most well rounded engr channel on youtube imo. great background information and explanation, without being too overbearing. love seeing the process, and you mkae it seem so doable, like any of us could do something similar. inspiring

[@Engineezy]

Appreciate it, glad you like the content! 😄

[@vincentrobinette1507]

The biggest accomplishment with this build, is keeping the marbles from "log jamming". Wintergatten learned a lot, building his "Marble Music Machine". Getting the channel lengths perfectly calibrated to the diameter of the "steely" marbles is key, to getting that perfect zipper action, to ensure all marbles can be used.

[@mattimotion]

It's really satisfying when you explain a problem and show us a smart solution seconds later. Awesome video!

[@Engineezy]

Glad you enjoyed 👊

[@blahorgaslisk7763]

Reminds me of some projects for making gravity based energy storage. To make it viable for large scale storage of energy they would have to be absolutely enormous. What made it extra large was that they had this idea of using stackable concrete blocks that would be lifted up on top of each other to store energy and then lifted to the side an let down to generate electricity. The scale were talking about is to use cranes hundred of meter high and the stacks of concrete blocks would reach that same height for a "fully charged" energy storage. Now the problem is that concrete blocks of a size, weight and precision that they could be stacked that high and still the stack would be stable simply doesn't exist. The pressure of the blocks in the bottom would be enormous and they have to be easy to lift and maneuver without deformation or wearing. Then there is the cranes. These have to be very precise to be able to stack these blocks that well. And not only lift up and down but also able to move the block to the side where they could get a long drop so they could generate serious amount of energy. All these things tell me that even if the problems with making blocks so precise that they can be stacked like that over and over the energy needed to lift them and stack them would be a lot larger than the energy they could retrieve to generate electricity. And not something like 10% energy loss, more like 90% energy loss or more. There would also be a lot of maintenance needed of both the cranes and the blocks which eats more memory. If you want to make a gravity based energy storage then use water. Pump it up to a storage high in the mountains and use it to drive turbines powering generators. We already have large hydro electric power plants, that's a known technology, and we know how to pump water. The maintenance would not be that large for a storage like this, and more water storage isn't a bad thing.

[@themostoriginalyoutuber]

Interesting. I shall now build a mechanism to power my entire house with balls

[@hasanali-us7jz]

ha BALLS

[@davcaslop]

Checking Wintergatan will be so time saving since he has been working with marbles yeeears

[@dallencorry]

15:11 Wilson’s overly stressed, over stimulated and over caffeinated cousin, Stilson

[@jdhannan]

Also bears a _striking_ resemblance to the Nirvana logo

[@ozztelorman7057]

What you've proven here sir, is - to generate power (meaning: do actual work) you have to overcome a certain treshold, which is the electric potential that is needed for the LED strip to light up - because the induced current alone does not generate any power. Hence, the contraption you've built shows how mechanical potential energy is analogous to the electric potential and i believe a good way to explain what "potential" really means, in terms of physics. Great job! 😇

[@jessicabrown2634]

The animation is soooo sick. Amazing video as always!

[@Engineezy]

Thanks for sacrificing another room in your house to the Engineezy cause ❤️

[@DanBowkley]

Check out MPPT voltage converters. They're mostly used for solar but I think one would be really useful for converting the generator output to run a USB device.

[@notanairbusa380]

6:01 as a male, ouch.

[@Engineezy]

🤣

[@The-not-fake-Scp-999]

I felt that

[@urlocalfein_AJ]

i was looking for this comment bc i was going to comment myself, lollll 😂

[@ItsGBMoD]

holy i was seeing like all your marble shorts over these last few months but had no clue what it was for, this is an insane idea and is even more insane that you actually pulled it off

[@PixKirbly]

Obviously it doesn’t work, that would be a perpetual motion machine, which is mathematically impossible due to the fact that some energy is always lost as a heat transfer 16:58

[@sethwalmsley5287]

No it wouldn't be a perpetual motion machine. He is using the power from multiple marbles to lift a single one. That's not perpetual motion.

[@jakeg6172]

The idea is that an intermittent power source, like solar or wind, would run the lift, storing the energy as gravitational potential energy for later. It was never meant to power the lift, that was just him having fun.

[@matthewroy8116]

Lovely! I'm going to share this with my grade 11 physics class when we study energy:)

[@premjitchowdhury262]

Amazing man.. You did something which normally people think only on drawing paper level only.

[@brettfontaine4681]

More engineering puns! Love the rectifier joke.

[@Engineezy]

🤓

[@GrandDawggy]

Personally i call them a rectumfryer, thanks to AvE

[@philbowl2000]

man, i have to say, leaving me hungry for knowledge with your quick explanation, and then segueing into the sponsor segment that fills exactly that hunger...such a power play. good move. great marketing edit: also it feels great to finally know what the shorts were about. another void of knowledge filled, damn this dude is good

[@oof326]

Using electricity to store* electricity 12:15

[@Causegamr1]

Yeah idk about this build bro

[@Vyvix123]

@oof326 he’s not making electricity he’s storing it 💀

[@tknewyork18oo29]

👁👃🏽👉🏾😂

[@ivoknoob_2909]

Yeah, that's how batteries works

[@noahyancey174]

You should totally plug the lift part into a power source, but still have the charging part powered by the marbles, which is still essentially plugging your phone into the wall, but it looks cool

[@SolarSeeker45]

Okay but you didn't do any math to tell us how many marbles it takes to charge the phone. It feels kinda unfinished since the phone didn't get charged.

[@garyha2650]

Overall same weight as water through a turbine?

[@SgtSupaman]

Yeah, the title should probably change to "Can falling marbles charge a phone?" rather than "How many ..." since we don't get any indication of how many he used in the video, and the phone didn't fully charge.

[@obeseperson]

This is a marble video not a math video

[@FFLORO_45]

He kind of did though, he tells you how many marbles per second you need to have 5W output, machine only charges the phone for 30s, so you have info for both how many marbles are in there and knowing how long it takes to charge your phone with 5W charger you have your answer

[@thecrashwizrd8188]

He did tho at the start

[@michaelgotanco4917]

16:56 Because you're attempting to create a perpetual machine, and we know in reality it won't work. You may still need a battery to be charged which in turn will run the conveyor motor to lift the weights, but I guess you solved it with another source of power. Still a great mental exercise though. 👍🏻

[@nindoninshu]

it's pretty impressive that i saw your short video on this just a couple days ago and you had just solved the issue with a binary funnel, now you've built the whole thing and made the video

[@Engineezy]

Haha! Took a couple months but Im glad you didn’t have to wait too long

[@glengrimm4075]

​@@Engineezyi thought the same.. Holy shit your done already. Lol the magic of video.😂

[@miltonthecat2240]

In order to get the full energy available from a marble dropping from height, the "exit velocity" of the marbles coming out of the paddle wheel should be near zero. This means that the slower the paddle wheel turns, the less of the available potential energy is left unharvested as kinetic energy remaining in the marbles when they exit the paddle wheel. But since kinetic energy is proportional to the velocity squared, there are diminishing returns on slowing down the paddle wheel. Maybe add more parallel marble channels and paddle wheels? Like a dozen or two? This is why commercial/industrial water turbines for power generation turn slowly. Our intuition wants us to believe that spinning a paddle wheel faster means we are extracting more energy from the material stream (water, marbles, etc), but that's exactly wrong.

[@A_pot_that_cant_game]

12:00 normal traffic in LA

[@worthsaying]

That was fun. Nice job! Hey... why not run the conveyor with solar? Put it next to your bed. It would start charging your phone first thing in the morning, and that 'soothing' chorus of ball drops would become your alarm clock. 😆

[@jaimdiojtar]

Loved yhe reference of electroboom "full bridge rectifier" at 3:39

[@HaileyKerrin]

It's not a reference to Mehdi, the name of that device is a "full wave bridge rectifier". It's been around a lot longer than "Electroboom".

[@pelaajahacks8358]

it would be a reference if you say it like Mehdi. it's just an IC

[@Geerice]

@@HaileyKerrin Considering he referred to it as a "full bridge rectifier", as popularized by Mehdi, and not a "full-wave bridge rectifier", its proper name, and that the OP liked the comment, it is safe to assume that it was, in fact, an ElectroBOOM reference.

[@HaileyKerrin]

@@Geerice Seeing as he like more or less every comment that everybody has made, then you're a clown. Get a life and stop thinking that KZbin has any importance in any way whatsoever.

[@HaileyKerrin]

@@pelaajahacks8358 No it isn't you know nothing fool. It's four Diodes, that can also exist as an IC. It's because your pathetic lives revolve around KZbin and TikTok, it's the only thing you can think about.

[@Fear_the_Doughnut]

I liked your rectifier joke, I remember repairing old school televisions and ran into high voltage rectifiers all the time. (quite literally.)

[@Cyrus_of_the_Hills]

I noticed the clock is stuck at 4:20. What could that possibly be a reference to?

[@paul_warner]

The birthday of mustache dictator

[@Epic_Gamer101]

69420

[@lanchesternaanyane]

It looks really awesome but you’re definitely right about engineers over complicating designs for themselves 😅. Simplify it with an auger lift to lift marbles up high one by one with cheap solar energy during the day, they then roll and collect into a basket for gravity battery weight. Gear the crap out of it and then hit release to use all that stored weighted energy to charge phone at night.

[@Ablesofthealex]

One person told me that I ate a marble when I was a child

[@PatshraygKawlinse-o4b]

Well, most children are dumb.

[@panzerofthelake4460]

same but it's not hazardous it's just glass, it usually comes out again with no issues

[@Becuase_Im_HIM]

Congrats

[@chuckle5253]

My little brother ate mancala beads

[@shadowassassin1587]

I find your use of "one person" very concerning. I hope this was someone who at least knew you when you were a child? Not just some stranger on the street?

[@Mattman993]

Using an active rectifier can really improve your efficiency, once you get to that point! Diodes suck (they don’t but let me have my fun) when you could use an ideal diode!

[@BritishBoi2581]

5:11 NO NOT THE EINSTEIN

[@ACE7F22]

That is actually an interesting visual of energy density and efficiency. It's crazy to look at something that's just so much, do so little, while something that's so little, can do so much.

[@paradiselost9946]

with a little more knowlede on electrical tehory he could have demonstrated the "efficiency" aspect far better. in the end, he didnt even show the power that was being fed into the phone.

[@Raddish-m8o]

1:07 clock set to 420

[@robwest6086]

I noticed that and then realized I’m watching this at 4:20am

[@modulusshift]

6:20 on the snake run: I may be misunderstanding the problem, but you could try increasing the track width towards the output, gravity will make the marbles sink into the track and so move towards the output, like that old kid’s game with the pair of metal bars to try and drop the marble into the target. Seems like you have some other ideas coming though! I really appreciate that you were able to use something from Wintergatan! A big inspiration for me.

[@Akira-Aerins]

music section at 11:07 was a bit too loud

[@KodyTheViking]

WHAT?

[@zaicol850]

WHAT?

[@Tsbfg]

WHAT?

[@aurora902]

This was the most fun I've had watching a KZbin video in months, maybe years. Just sat here smiling like a dingus while a guy glued together 3D printed parts to make a battery taller than me that can charge a phone 0.1%. This was so fun.

[@rangerocket9453]

11:47 you just said it :)

[@DotasacWee2-tu4qk]

Yup

[@Swiftie-192]

What in HEWHockeySticks is wrong with balls?

[@mrmacken]

This would be a great experiment to see in physics classes

[@ShadyIsmail-hf6ox]

5:13 if only it was free...

[@natayaway]

9:54 - did not expect to see a reference to wintergatan, though I probably should have seen that coming since he's the leading authority in marbles on youtube...

[@mind6861]

3:33 what simulator is this

[@GmanSweden12]

Idk

[@fissionfusion2722]

I know it but I don't think I can say it

[@mind6861]

@@fissionfusion2722 ^⁠_⁠^

[@brugger123]

@Lelanddabossthe sponsor of today's video

[@mind6861]

@@brugger123 no dude, I'm sure this is not brilliant

[@ebsanu]

Can’t wait for your next videos. The lead up in shorts and the final product were all so entertaining!

[@rasco.should.1v1.snapiyy]

3:32 ELECTRIC BOOM REFRENCE?

[@FuncleChuck]

Unlikely. Never heard of that.

[@eunomiac]

11:05 -- Christ almighty just about blew out my eardrums with that backing track :P

[@joelmp3]

I'm amazed with applied engineering, optimizing each step of the process. My advice is using rods instead of balls can increase the amount of mass, taking advantage of the empty space between generators, and maybe using lead rods (711 vs 467 steel density lb/cu). Greetings!🙂

[@coganaj]

I hope that Engineezy hasn't lost his marbles

[@jamieregan]

I really like the build up of watching your shorts and then seeing how the final project turns out. Great video!

[@randyjenkins8896]

martin from wintergatan is epic, his marble machine X is a piece of magical overengineering, with nearly perfect precision.

[@Leonbartolome]

Had a lot of fun seeing all the progress. Fantastic.

[@Creative_Electronics]

Very nice to see a mechanical powerbank working! Nice project!

[@imnotbreno]

No disrespect to your build, but the most interesting part of the video is the explanation at the beginning. Most channels lack a clear and concise explanation of why the things works.

[@JeffBilkins]

Love how the split and merge problems have a passive and even solid-state solution. I guess it trades complexity for space?

[@RYN988]

I'm never taking engineers for granted ever again. The amount of unexpected problems is staggering.

[@TBH_Inc]

Wow that’s an insane amount of work you put in, was a great watch!

[@ouroya]

small note about wintergatan! the man you see is named martin molin, wintergatan is the band he is part of!

[@KC-Mitch]

I love machines like this. They have no practical application in the real world, but they allow people to see the result on energy. We know phones require energy to charge and we know that the act of "falling" (gravity) is energy too. But we tend to think of those types of energies as two separate forms that don't mix. Even though hydropower works _the exact same way,_ having such a small model allows us to see the immediate results and visualize it firsthand; understanding our world better.

[@itarry4]

Due to you always using white filament (which I really love by the way) it'd be brilliant if you could have a darker background, like a small room with darker painted walls, to shoot the incredible inventions in as you build and to display it at the end. The white would stand out much better against the dark background and 8td be easier to see all the various different components. Thanks by the way love your work.

[@tutacat]

If you are going to have a big battery anyway, have a way of plugging it into your home too. Batteries can charge at much less than 5W, you can for example use trickle charging, which charges at less than the rate full batteries can dispel excess energy.

[@itt2055]

Closed loop hydroelectric power stations are basically water batteries, they can be built any size from powering a single light bulb to an entire city, they can be built underground or incorporated into building design saving space and placing the power production closer to the point that it is needed eliminating most substations and transformers. It is actually cheaper to build and system of closed loop hydroelectric power stations strategically placed throughout a city and use rooftop wind and solar power systems to recharge them it is to continue using fossil fuels.

[@ANoBaka]

Think this perfectly illustrates why wind and solar cannot be the only, or even the main source of power with current technology. Power storage is really crappy as it is currently. It's great for short spurts of emergency power or for load balancing, but it can't keep a city afloat during the night, let alone during the dark winter.

[@STAG162]

I was going to suggest a connection between Wintergatan and this design, but you nailed it already at about the 10:00 mark. Martin is musically gifted and quite talented when it comes to logical ideas, but a bit extraneous on the artsy side of things. One thing I will say about both yours and Martin's designs and the marble dividers, it takes quite a bit of nous to nail the design, and how the marbles 'play well' with each other given their constraints (the tracks they have to follow).

[@joshuaurbany6468]

I really love you use your shorts as a sneak peak of your upcoming videos rather than using the shorts post video. It makes your low upload rate channel much more engaging. keep up the work, and remember, KISS.

[@TheDaggwood]

Hey i worked on an off-grid power project that had some troubleshooting like this. We incorporated water and balls of different buoyancy as a final solution. Incredibly over engineered but damn fun