What’s Behind the World’s Heaviest Door?

Unlike a giant vault or blast door, the world's heaviest door was built to protect the outside world...from what was behind it...

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😎: Kyle
✂: Charles Shattuck
🤖: @Claire Max
🎼: Mëydan

[kylehill]

*Thanks for watching.* I know there’s a lot going on in the world right now, but maybe we can take a moment, a deep breath, and learn about
T H I C C D O O R.

[WackoMcGoose]

"Now _that_ is a big door." I can see why they used that door in both of the Tron movies, considering _the world's largest source of neutron radiation_ and _a laser that can convert matter into data and back again_ would probably require similar levels of containment.

[Kikabopom]

"this absurdly large and complicated security measure isn't to keep people or things out, it's to keep _something_ in" will never fail to be the most terrifying and intriguing concept in the world

[Musicguy]

I can feel the excitement Kyle had after finding that paper about nuclear attenuation! Love it!

[StreamKArt]

The fact that no one is mentioning him stumbling at 4:50 and actively chose to leave it in upsets me. It's moments like those that I love in videos like these

[alexmcd]

"If your head were in the path of that beam, you'd be dead "
Anatoli Bugorski: hold my vodka

[icecreep]

I finally have something related to share: I work at the Center for Plasma Material Interaction, the foremost lab studying the use of liquid lithium in nuclear fusion. Under a strong magnetic field and heat gradient - such as you would find in a fission device - liquid lithium will flow along the walls, and even upside down. With this, the steel reactor walls are protected both from radiation, and physical damage from flare ups in the plasma. Additionally, the lithium helps to absorb any contaminants that make their way into the plasma.

[Fizzlefuse]

I also think its fascinating that the way the door was designed it allowed for one person to open/close it. That's a impressive feat of engineering.

[Scoots]

The first nuclear power plant in the US was the Shippingport plant in western PA. It was decommissioned in the late 80s. I got to go though the huge heavy door in to the core, and the engineering of the door was amazing considering it had been closed in the 50s and opened in the 80s how well it worked.

[WKYs]

"behold....my BALLS" not what I expected to hear in this video...

"I live was also a very great line. Not only very educational but also a joy to view! Kudos to you/r writer!

[thefoxpine]

I love that door. It's so ominous and monolithic, almost like something you'd see in the SCP universe. I've always loved visuals/renders of imposing, cold, monolithic structures and monuments, and this is a real-world example of precisely that.

[HypeIke]

There's a story I remember my dissertation supervisor told me: A steel used or to be used (don't quite recall) in a reactor housing but would become brittle and nobody knew why. It was found that the Silicone used the steel to increase its strength had been transformed into Aluminium due to the radiation

[Mrmder]

I laughed and I learned. Perfect blend. Thanks Kyle, you're awesome.

[DanBowkley]

Given that neutrons aren't really keen on going around corners, why didn't they just build a zigzagged corridor leading to the accelerator instead of having a door at all? Seems like that would've been vastly simpler and cheaper.

[WarlandWriter]

Don't worry Kyle, it's not about the size of your door, it's about how you use it.

[CostMusic]

I like how Thor can be in action movies and teach me stuff I never knew at the same time

[victoriaevelyn]

I think its mad how something as high tech as a nuclear reactor still has roots back to the industrial age with steam power

[jackvandongen]

4:13 im not even gonna talk about that

[Muffinshaker]

Thank you for the memories … as a young designer the late 1970’s I got to design parts of the “rotating target assembly “. My office was in the building right across the street. Fun times. The door is actually cantilevered. The person in the thumbnail can actually push and open it by hand. The Lab was a wonderful playground of minds of the most talented people in the world. 😊😊😊😊😊

[MDMoore]

“I don’t have door envy…”

Narrator (probably Morgan Freeman): “But he did, in fact, have crippling door envy…”