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This is Dom.

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He's a friendly little robot

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that's super good at only one thing.

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Setting up a butt-ton of dominos

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really really fast.

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It's taken five years to get to this point

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but according to our initial tests,

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we have hopes that he might be more than

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ten times faster than the fastest human.

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So today we're gonna put him to the test

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going head to head against he world's

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foremost domino expert,

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who unfortunately is a mere human.

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Then we're gonna attempt a

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Guinness world record and he's gonna try

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and fill this entire warehouse

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with a mural

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of a hundred thousand dominos.

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And for context, setting up a domino mural

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that size would take a team of seven

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skill builders one full week.

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Dom here, is gonna attempt to do it

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by himself in 24 hours.

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Now I know what you're thinking,

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"Big whoop Mark,"

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because as a kid you might have had a toy

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that looked like this.

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Or even this custom robot

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KiwiCo made me that can drop

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twenty dominos in a row.

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So isn't a bit overkill to utilize

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an autonomous robot,

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a half mile of Hot Wheels track,

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and a high speed robotic arm?

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And I get it because our designs

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look like this where we were just trying

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to hack a Roomba when we first tried to

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tackle this problem

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exactly five years ago.

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But then pesky details with scale arise

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like for starters, just how much

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100,000 dominos is.

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So the robot will need to come and reload

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at least 1,000 times.

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But how exactly do you reload it?

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And how would it know exactly where

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to drop each domino and what color

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it should be?

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And how do you make it so reliable,

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that it doesn't screw up once

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in a 100,000 drops of a domino?

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A system to reliably tackle issues

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at scales like this is just going to be

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inherently complex.

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Like ten times more complex

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than my automatic bullseye dartboard,

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which to this point was probably the most

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complicated build on my channel.

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So after failing off and on

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for three years,

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I was doing a Q and A at Makerfaire

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and I told the crowd if anyone wanted

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to help me with the brutal challenge

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to hit me up afterwards.

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And to my absolute delight,

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two freshmen from Stanford

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and a software engineer from

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The Bay Area,

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all took me up on the challenge.

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So I hired them and two years later,

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here we were.

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Now before I show you how it all works,

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I just wanted to put him in a head to head

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competition to see how good he really was.

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And for that we need the undisputed

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heavyweight champion on YouTube

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for all things dominos,

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Lily Hevesh.

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Lily, you are known on Youtube as

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The Queen of Dominos right?

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People do call me The Domino Queen.

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And for very good reason,

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with over 1.2 billion views on

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her channel,

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you've almost certainly seen

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one of her incredible creations

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over her 12 years on the platform.

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She's so good,

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she's even got her own line of dominos

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you can buy in stores.

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Ok, so here's the challenge Lily.

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I want you to set up like 300 dominos

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right now and let's see how long it takes

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a human to do that.

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Ok.

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Clock starts,

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Now.

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I got to do two hands.

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If you need me, Lily,

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just sitting here reading my newspaper.

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For you kids at home a newspaper is like

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a boring ipad made from trees.

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That's actually pretty fast.

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Oh no.

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Disaster, the foibles of being human.

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Ok Lily are ready for this?

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No.

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I've seen enough.

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(Failure to whistle)

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I actually don't know how to whistle.

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This, is the Dominator.

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Oh my god

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Wow

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I lve the eyes.

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A good set of googly eyes will go

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a long ways.

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Ok boy, let em down.

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I suck at dominos, Lily,

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but i'm good at engineering which means

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I'm actually really good at dominos.

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We even showed off

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the Dominator doubled-stacked

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the middle row for you.

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That is impressive,

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that is seriously impressive.

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This technique of laying down

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a tile of 300 dominos at once

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was really the key that helped us crack

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the scale and reliability issues.

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And its probably my favorite part about

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the Dominator,

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besides his wiggly tail of course.

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Here's Josh to explain more.

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So these 3D printed funnels here,

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which allow us to drop all 300 dominos

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all at once.

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And the mechanism that drops those into

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the top of this tray

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we'll show that in just a second.

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And if we remove these funnels here

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we can see that the dominos are

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precisely placed in their locations.

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This allows us to place 300 dominos

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exactly where we want them all at once.

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And they don't fall out because of what we

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call the Connect 4 mechanism under here.

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But if we trigger the servo,

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then it slides that Connect 4 tray over

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and drops them all at once

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making for some gratuitous, beautiful

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slow-mo shots.

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And so while this looks very cool,

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obviously dropping from that height

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wouldn't be effective.

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So we lower the whole platform down

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on this ball screw.

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Then set them right on the floor,

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which turned out to be incredibly reliable.

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So Dom took the W in round one.

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But now it's time for the endurance round.

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Ok, first one to 10,000 dominos wins.

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Lily, you ready?

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I'm ready.

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Dominator, you ready?

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Start

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Oh my god

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Wow

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I aready failed.

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That's great.