Prática de Shadowing: Backyard Squirrel Maze 1.0- Ninja Warrior Course - Aprenda a falar inglês com vídeo

- This is a bird feeder, and everything to my left is my attempt at making it squirrel-proof.

If they want the bird seed, they will first need to pass through what is basically an eight-part "Ninja Warrior" obstacle course for squirrels.

This course is extremely challenging.

It is not for the timid of heart.

But out of the gate, I will admit that in hindsight that I completely underestimated my adversary.

Now if you're wondering why I would go through all this trouble, we need to go back eight weeks ago when I found myself stuck at home and very bored.

So I installed a bird feeder and decided to become a birdwatcher, and it was just so lovely until they showed up.

Now, luckily, my bird feeder had a wire cage around it, big enough for the birds to slip inside but small enough to prevent the squirrels from getting the food, and that worked really well until right here.

For me, this was like the moment in "Jurassic Park" when they realized the Velociraptors can open door handles.

And once the door was open, it was clear this wasn't their first rodeo.

They basically cleared this whole tube of bird seed by the end of the day.

Mind you, this bird feeder was advertised as being squirrel-proof.

So I bought another squirrel-proof bird feeder to replace it.

It's got this outer cage suspended by some springs, and so if a bird comes and lands here, it doesn't weigh that much and it has access to the seeds.

However, if a squirrel comes, they'll grab onto this cage.

Its weight will force the springs down, thereby preventing access to the seeds.

I have no idea how the squirrels could possibly outsmart this, but let's see.

And this one work exactly as intended.

You can see the birds love it, but when the squirrel comes along, the cage shifts down and now all the seed ports are covered up.

Every time they tried, it was the same results.

However, the next morning, this guy manages to unclip the springs that hold the cage up, which means the cage stays in the lowered position where it blocks all the seed openings.

Problem with that is now they can get to the lid.

But this bird feeder lid doesn't hinge open to give direct access, so he goes with a different tactic, where he now has access to all the bird seed he wants.

And so I decided I would try one more bird feeder design.

Okay. Wow. It almost feels intentional at this point.

This one's supposed to work well because it's got this baffle, which is supposed to keep the squirrels from just coming straight down and getting to the seeds, and more importantly, there's no way for them to rip this off.

We'll see. This one debuted to similar results.

As he hangs by a few toes, this is when I really started to gain an appreciation for what they were capable of.

It definitely seemed like this bird feeder was their favorite.

Okay, yeah, they're flexing on me for sure.

And at this point, a plan was forming in my head, but just to be thorough, I moved the post away from the fence.

And I can't say I was surprised when they just climbed it, nor was I surprised to see they could shimmy up and down a small metal pole or even a large one for that matter.

And whether they could climb a certain pole material was a moot point anyways because of this!

Look at this!

These guys are basically freaking rodent-sized Simone Biles!

And on some level, this is what it felt like when someone stole a package from my porch that didn't belong to them, and I harnessed that indignation, spending a year designing the glitter bomb bait package.

- Hello. - Complete with special fragrances.

- Aw. - If I could design a package to deter thieves, could I design a bird feeder to deter squirrels?

And so after a couple weeks of brainstorming, designing, and building with my buddy John, we put it all together in this 20-second build montage.

Here are the basic elements.

For starters, here's where I've placed their favorite bird feeder, at the end of the course.

And to sweeten the deal, right below that, there's a trapdoor.

And if they step here, it releases a butt-ton of walnuts and unfurls some celebratory banners.

Why walnuts? I'm glad you asked.

I'm using walnuts because over the course of a week, I put out a buffet of seven different nuts and seeds.

And all four times I repeated the experiment, walnuts were always the one they ate first.

What's great about placing this here is it levels the playing field as the birds can fly up and get as much food as they want anytime they need it.

The squirrels, however, will have to work for it because the only way to make it to this platform is if they work their way through my eight-part "Ninja Warrior" obstacle course, which all starts right here.

This is the only platform on the course that has a pole that isn't covered in slippery stuff, which means this is where they have to climb up to enter the course.

If they try and get up any other way, they can't keep a good grip and they just slide back down.

So the first challenge is the Bridge of Instability.

Now, this may look easy, but the trick is it attaches at a single point on each end.

And from a physics standpoint, that makes it no different than trying to crawl across a tightrope.

It's the same deceptive principle with that one carnival game that's so impossible.

I broke it down in another video where I use physics to show which carnival games were basically scams and the science on how to beat them.

Next up, the Maze of a Thousand Corridors.

This one's a bit more cerebral, but if they make it through that, it will bring 'em to the Pitchfork Tumblers, which are inspired by the show "Wipe Out." But unlike "Wipe Out," I should point out that all these contraptions are squirrel-friendly, and even with a little back force, they will break away and stop spinning.

Now, if they can make it past the Pitchfork Tumblers of Treachery, they come to one of my personal favorites, the Homewrecker.

I put her in to tempt the squirrel to lose focus on the real prize at the end of the course.

Because this pad has a pressure sensor underneath it and it connects to a microcontroller that has a relay that connects to a solenoid that connects to a pneumatic piston that connects back to this platform with the pressure sensor, and so if they stand here for more than three seconds, they've gotta start the course all over again.

Next up is the Slinky Bridge of Deception.

I've suspended a juicy walnut right in the middle, but there's no way this bridge will support their weight.

So it'll be interesting to see how they approach it.

The sixth challenge is called the Tourist Trap.

It's actually a bit of a reward for making it this far.

If the squirrel sticks their head through this board my wife painted, it's just a photo op they can hang on the wall of their tiny squirrel nest.

I'll place a walnut here as an incentive for them not to miss this unique opportunity.

The penultimate challenge are the Quad Steps of Great Elevation.

This is taken straight from "Ninja Warrior," and this is super tricky because these pads are all totally smooth and placed at a 45-degree incline.

And now for the last challenge.

At this point, they are a near few feet away from their ultimate goal.

But if they're not careful, they'll have to deal with the Orbital Assist Platform, aka the Final Countdown, aka "It's not a catapult, it's a squirrel-pult," which means they now have to go back and start all the way over from the beginning.

Now, if they wanna avoid that fate, they just need to stand on this pad for less than three seconds.

But once again, I've placed a diversion here.

This one projects an optical illusion of anything you place in the bottom of this dish.

It's actually super trippy and looks even more impressive in real life because the projected image is 3D.

They're like nine bucks on Amazon, and I put a link that explains the juicy physics of how they work in the video description.

Now with regards to squirrel safety, I know I seem to have this reputation of improvised high-speed projectiles, and so this one might worry a few animal lovers out there, including my wife.

We have five pets and one child, and the child was the only one I had a say in.

So rest assured, I can adjust the pressure on the piston, and we'll be staying way below any launch force that could hurt any of our adorable backyard contestants.

And so, finally, after making it through all that, we're back here at the world's most satisfying bird feeder.

And as far as I'm concerned, if they make it here, they've earned the right to gorge next to the birds for as long as they want.

And so after nearly a month of prep work, the course was officially open for business.

They could smell the walnuts at the final station, and you could see the gears turning because right above that was their favorite bird feeder.

And so before long, we had our first contender.

That didn't exactly go as planned, so Rick decides to regroup.

Speaking of which, that's Rick.

There are a total of four competitors that will be attempting the course.

First up is Rick, and he weighs 500 grams.

I know this 'cause he's actually standing on a custom-made scale.

Rick is very clever as you'll see here in a minute, but he also gets spooked easily.

Next up is Marty.

He's basically indistinguishable from Rick.

Rick and Marty are inseparable and pretty much spend all their time together as a pair.

Our third contender is Frank, also coming in around 500 grams.

He's very gutsy. He's also kinda dumb.

Finally, we've got my personal favorite, Phat Gus.

He's just really charming and will strike a pose if he sees a camera.

He also really likes to eat, and he tips the scales at an impressive 800 grams.

100

While most of the squirrels are kind of particular before making a selection and then gracefully leaping away, Phat Gus just goes for it, hands-free, just makes himself real comfortable.

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Here he is laying out with a light snack from the bird feeder.

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I mean, you can't fault the guy for just clearly appreciating a good meal.

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So now that you know our four contenders, let's get back to Rick.

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So he hops back on, and he's actually doing better than his first attempt.

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Mm, just barely.

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This is the best because he's like, "Okay, I got this. Nevermind.

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Well, maybe I, no, I definitely don't." And this was the exact moment I realized I just might be outmatched here.

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Marty was watching Rick and, after a quick dip of his toes in the water, adopts his strategy right out of the gate.

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Ooh, so close, but an excellent recovery.

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And Phat Gus, perhaps predictably, comes up a little short, which brings us to the Maze of a Thousand Corridors, which, to be honest, they mastered this one pretty quickly.

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Here's a solid run from Phat Gus.

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And now for the Pitchfork Tumblers of Treachery.

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Marty was like, "Yeah, that's a hard pass." Phat Gus is just like, "Abort!" Frank is just like, "Nope." Then he's like, "Wait a second.

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Mm, still nope." Then Marty flies in real hot over the top.

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He didn't make it through, but that's partial credit as far as I'm concerned.

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And then here's Phat Gus with my favorite attempt by far.

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And then Frank shows no fear, which helps him pull up this near-flawless run.

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And finally, Smart Rick surgically weaves his way through essentially untouched.

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And I should mention, the squirrels were most active from 6:00 to 10:00 AM, so every morning I've been getting up before the sunrise to start filming from in my house, like one of those camouflage nature photographers, only like a suburbanized version.

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I've also had a handful of streaming cameras rolling 24/7, which has allowed me to make such discoveries as we have the world's worst guard dog.

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Thanks for the help, pal.

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Now back to the Homewrecker.

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You could see Rick is instinctively suspicious of this gold digger and only for a brief moment puts his full weight on the platform.

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I told you he was smart.

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His buddy Marty, on the other hand...

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She is a cruel mistress.

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And because I know my wife is going to ask me, no, this will not hurt the squirrel for two reasons.

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Number one, they are amazing like cats and always land on their feet.

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And two, they themselves were jumping from this height all the time, and in some cases, much higher.

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In fact, squirrels are one of the few mammals that can survive a fall from any height because they make their terminal velocity so low.

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You can see it right here.

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They make their body as flat as possible, then put their tail back to increase drag.

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They basically become their own parachute.

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And then right before they land, they pull in and fully extend their arms and legs to act as shock absorbing landing gear.

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This is so cool.

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Now back to the course where even Smart Rick eventually lets his guard down, which is exactly when she strikes.

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But just like all the other obstacles so far, after a day or two, they'd mastered it.

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In this case, even disregarding her offering of a fresh walnut.

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Now onto the Slinky Bridge of Deception, and this was the sleeper obstacle in my book.

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That is not a large gap, which they can easily jump, but having the slinky there just threw them off somehow.

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You can see how much Frank is struggling here, and he's the brave one.

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And Rick only jumps when Marty shows up for emotional support.

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But like all the obstacles so far, after a day or two, they'd mastered it.

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Now onto our third to last obstacle, the Tourist Trap, and this one was just a freaking delight.

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A little peanut butter really did the trick here.

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Now here comes Phat Gus.

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And I mean, how Phat Gus is this?

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He sees the camera and he's like, "Paint me like one of your French squirrels.

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Yeah? No? No takers? All right." Here's another classic Gus where he looks at the camera, wait a second.

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Play that back, and freeze.

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Zoom, enhance. Well, turns out Phat Gus is not a dude and he's pregnant, which meant I was suddenly feeling real uncomfortable about all those weight comments.

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So after a bit of a pivot to smooth things over, we soldiered on to the Quad Steps of Great Elevation.

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Frank comes in rather confident, almost to his demise, but he pulls off the smooth recovery.

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So after not much time at all, they were looking pretty good here.

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In fact, one morning, I noticed Marty totally skipped the last step altogether, which I took as a challenge, and so I removed the middle step to see what they would do.

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And who else but Phantastic Gus?

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Let's slow that down a bit.

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They're such amazing jumpers, so I suppose the quick mastery here wasn't a surprise.

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I mean, this right here is probably a 10-foot jump.

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And here's some classic brave but dumb Frank.

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He'd already entered the course normally and made it to the Homewrecker at least a dozen times by this point, and yet for some reason, he decides this 12-foot jump is his best course of action.

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And Smart Rick was the first one to enter the course.

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So in the end, after about a week of effort, it was fitting he was the one to make it to the jackpot first.

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And he's so stoked he apparently wants to run the whole course in reverse.

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In hindsight, we probably should have made the jackpot a little quieter.

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Here's Marty, as always, not far behind.

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He's also a bit flighty as you know, which worked against him here, because down below, Phantastic Gus, ever the opportunist, comes through with the real stroke of brilliance.

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But pretty soon, Marty comes back like, "Um, I'm the one who kinda earned that." And then Phantastic Gus is like, "You snooze, you lose, sucker!" And might I just say, Phantastic Gus, when you sit like that, you don't look an ounce over 700 grams.

169

Eventually, they learned that sound was a good thing and they'd quickly return for their reward before Phantastic Gus got any ideas.

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So here's a single camera shot of a full run.

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And by the end, all of them could do the full course in less than 40 seconds.

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And while we're watching, you might be wondering what happened to the squirrel-pult.

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Unfortunately, they didn't really fall for my illusion much, but I'm about to show you the two times they did.

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And as a promise to my wife, I turned the pressure to only 40% full power, so the acceleration the squirrel would feel is about half a g, which is 10 times less than a typical rollercoaster.

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Additionally, I never turned on either the Homewrecker trapdoor or the launch platform when I wasn't actively watching from inside my house where I had a manual override button, because as safe as it was, something about launching Phantastic Gus just didn't feel right.

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Now what you're about to see is gonna look pretty chaotic.

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But when we check the slow-mo, amazingly, I'll show you how the squirrel is totally in control pretty much the whole time.

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All right, now here's a second angle.

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Also, even if you don't trust my calculations, I can assure you that the squirrels did not care.

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In both launch cases, they were back up on the course in like five minutes.

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Here's the slow-mo, and see if you could spot the two critical things he does to make sure he lands feet down.

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Did you catch it?

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The first critical moment is right here.

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He's already done the predictive math, and he's locked his head on the spot where he plans to land.

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And now his head will not lose that lock the whole way down.

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What's crazy is the time it takes him to do all the predictive math to know exactly where he will land and to lock his head is 300 milliseconds.

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That's exactly this long.

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Literally less than the blink of an eye.

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That blows my mind.

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But if you think about it, it makes sense these reactions would've evolved to be razor-sharp if you live your life in the trees constantly making split-second decisions.

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Now, besides picking the landing spot with his head, the second trick is with his arms.

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When he wants to keep his upper body from rotating, he has his arms out.

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But the moment he wants to rotate his upper body quickly, he tucks them in.

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And then when he wants to stop rotating, he extends them out again.

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This is straight up conservation of angular momentum.

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It's the same trick ice skaters use.

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Basically, bring your limbs in if you want to rotate fast, extend them out if you wanna slow the rotation.

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My buddy Destin from Smarter Every Day also made a video analyzing how cats always land on their feet, and they do the exact same two tricks.

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The head target lock and bringing limbs in to rotate and out to stop rotation.

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Here's the second launch.

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So this may look like pure luck in real time, but the slow-mo tells a different story.

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In that amount of time, he's already made a slight lateral push in that direction and locked his landing target with his head.

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We know from the previous clip he can rotate his body to any orientation, but he doesn't in this case because he sees his small push has already aligned him for the perfect landing.

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That's just so cool.

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And so after those two physics demonstrations, I disabled both the Launcher and the Homewrecker trapdoor and just let them enjoy the course in peace.

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As far as I was concerned, they had earned it.

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Plus, after spending a month together, we were sort of bros by this point.

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If they saw me coming out to work, they would certainly jump away, but then they'd just quickly be right back.

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And sadly, all good things must come to an end.

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And because I didn't want them to develop an unhealthy dependence on my handouts, after about a week of free reign, I took down the course.

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But in its place, I put up a specialized squirrel-sized picnic table.

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Every morning, this door opens to release just a few walnuts as a little treat to remind them of our good times together.

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Although I had to laugh that after all this, somehow I didn't anticipate on day one Frank would immediately try and figure out and partially succeed in finding a way to beat the system.

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Like everything else though, they quickly caught on, and now on some mornings, I'll catch them just waiting for the daily ration, chilling patiently on the bench seat, that is, everyone but Phantastic Gus.

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Don't ever change, buddy.

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When I started this two-month-long adventure trying to bird-watch, I had no idea I would enjoy squirrel-watching so much more.

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It's also made me realize that even amongst the structures and pavement and power lines, how interesting nature can be in a single suburban backyard if you just really stop to look.

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Even the plants are amazing!

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I had no idea that as vines grow, they spin around looking for something to grab onto.

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I didn't anticipate the wide variety of animals that use fences as inner yard highways to get around as a substitute for all the trees that existed before we got here.

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Even little interactions like this spider extending his life with this very timely leap into the unknown were just so delightful to see.

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But of all the animals, I can definitively say now that squirrels are my absolute favorite, and they're certainly a more formidable adversary than porch pirates.

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They're kind of adorable, incredibly crafty, curious by nature, athletic, and persistent.

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Turns out, squirrels can live to be 20 years old, and so I like to think that someday, Phantastic Gus will bring his grand-squirrels to the fence and regale them with tales of cowboys and courage and legendary walnut piles.

📺 Mesmo canal

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Vocabulário e dicas de fala para esta lição

Este vídeo tem 224 frases e 3862 palavras para praticar shadowing. A fala dura 20:14. O falante fala rápido, cerca de 191 palavras por minuto, então espere sons ligados e reduzidos. Apenas 79% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:

Palavra	Pronúncia	Significado
squirrel substantivo	/ˈskwɪ.ɹ(ə)l/	esquilo
cage substantivo	/keɪd͡ʒ/	gaiola, jaula
obstacle substantivo	/ˈɑbstəkəl/	obstáculo, estorvo
rotate verbo	/ˈɹoʊ.teɪt/	rotar, girar
trick substantivo	/ˈtɹɪk/	artimanha, truque
buddy	/ˈbʌdi/	companheiro, colega
physics substantivo	/ˈfɪz.ɪks/	física
connect verbo	/kəˈnɛkt/	conectar
seed substantivo	/siːd/	semente
extend verbo	/ɛkˈstɛnd/	estender, ampliar
gram substantivo	/ˈɡɹæm/	grama
walnut substantivo	/ˈwɔlnət/	nogueira
package substantivo	/ˈpæk.ɪd͡ʒ/	pacote
smooth adjetivo	/smuːð/	suave
pole substantivo	/pəʊl/	polo

Phrasal verbs que você vai ouvir

Palavra	Significado
get up verbo	subir
go back verbo	voltar
turn out verbo	terminar
wipe out verbo	aniquilar, exterminar
back down verbo	recuar, voltar atrás
break away verbo	fugir, escapar
come back verbo	voltar
cover up verbo	encobrir

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

Estrutura	No vídeo
Frases condicionais if + oração, will/would + verbo — uma condição e seu resultado	if you're wondering why I would go · if a squirrel comes, they'll grab · if they're not careful, they'll have
Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz	was advertised · are covered · isn't covered
Present perfect have/has + particípio passado — uma ação passada que ainda importa agora	I've placed · I've suspended · they've earned
Orações relativas who / which + oração — informação extra sobre uma pessoa ou coisa	baffle, which is · stuff, which means · Tumblers, which are

Pronúncia para ficar de olho

O falante usa 67 contrações e formas reduzidas, como didn't, I'm, they're. Diga-as na forma curta, do jeito que você ouve.

Os sons de “th”: smooth /smuːð/, mathematics /mæθ(.ə)ˈmæt.ɪks/, sixth /sɪksθ/, athletic /æθˈlɛt.ɪk/, underneath /ˌʌndɚˈniθ/
Os sons de “sh” e “zh”: rotation /ɹoʊˈteɪʃən/, assure /əˈʃʊɹ/, illusion /ɪˈl(j)uːʒ(ə)n/, sharp /ʃɑɹp/, reputation /ˌɹɛpjʊˈteɪʃən/
Palavras longas — acerte a sílaba tônica: mathematics /mæθ(.ə)ˈmæt.ɪks/, adorable /əˈdoɹ.əˌbəl/, anticipate /ænˈtɪs.ɪ.peɪt/, reputation /ˌɹɛpjʊˈteɪʃən/, essentially /ɪˈsɛnʃəli/

Como praticar com este vídeo

Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
Grave a sua voz e compare com o original, prestando atenção a palavras como squirrel, cage, obstacle.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →

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Vocabulário e dicas de fala para esta lição

Vocabulário principal deste vídeo

Phrasal verbs que você vai ouvir

Gramática neste vídeo

Pronúncia para ficar de olho

Como praticar com este vídeo

O que é a Técnica de Shadowing?