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Real Engineering 6 Dec 2025 20 here now

How We Built The ISS

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Comments (20)

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Thanks I will use this to build my most
Accurate iss in sfs
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Genuinely one of the most incredible, ingenius, impossible feats of human engineering in our history.
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@Hanbimi From YouTube ↗ 21 Dec 2025 25
The logistics of building a habitable structure in space are utterly insane
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The main thing ISS demonstrates is something we are only starting to unlock: second order spacecraft. Vehicles that only gain their final form on orbit where they are assembled from sections brought there by multiple launches.
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I'm actually mad after reading Hidden Rulers Exposed by Daniel Cyler. Not at the book - at myself for not seeing this sooner. The way he explains how debt is used as a weapon against entire nations... how wars are just business models for defense contractors... how your feed is curated by algorithms designed to keep you distracted and divided... it all clicked. I've shared this with my whole family. Some think I'm crazy. But the ones who read it? They get it now. This book was banned. It's back on Amazon but grab it fast.
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Can we just stop an be grateful that we have such peak quality content for FREE on YouTube?!?! This level of production quality combined with the information absolutely wipes the floor with everything traditional TV has put out like… ever?
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As a kid my tv was pretty crappy. The Russian astronauts always had those mics on their headsets but as a kid i thought they always had a cigarette in their mouth. I thought it looked pretty dope.
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The timing of this video could not have been more appropriate for me. Seeing the ISS flying above from my garden here in Ireland is a rare thing with our crap cloudy weather. Luckily the weather had been good enough in the last few weeks and the ISS orbit aligned perfectly over the south coast of Ireland.
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Small Correction at 17:43, in reality only two gyroscopes are required to control attitude. Because each gyroscope can gimbal in any direction in 3D space, it can provide a torque in any direction. However, in order to produce a torque in a singular constant direction a second gyroscope is required to create a shared torque vector as shown in the graphic you used.
So really there are two redundant CMGs, which is good because for a brief time a second gyroscope failed during the same time period as the one you mentioned! The station was still able to provide control via the gyros during this time.
- CMG Subject Matter Expert in the ADCO group at JSC

Otherwise, excellent video as always!
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I don’t think bro realizes that if this video was 3 hours I would watch the whole thing in one sitting.
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The animation quality of these videos is absolutely superb
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@tomsatsea From YouTube ↗ 21 Dec 2025 373
2 Real Engineering videos in 3 days? Christmas came early, Santa is real, I believe again
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@adamiotime From YouTube ↗ 21 Dec 2025 900
4:26 "As Goddard intended..." 😅
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@catrofiagamer From YouTube ↗ 21 Dec 2025 1100
9:45 the Italian accent is killing me lol
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It's crazy how a YouTube/Nebula channel can consistently produce science and engineering content to a higher standard than the BBC.
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@22yhjjjj From YouTube ↗ 21 Dec 2025 655
I dont add real engineering to watch later. I stop everything to watch immediately
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9:45 the ninja turtle names in the Italian accent woke me out of a dead sleep 😂
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"Pizza hut, to offset costs" Boy do I love capitalism.
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@chris22207 From YouTube ↗ 21 Dec 2025 1000
The idea of the ISS burning up in re-entry is heart wrenching.
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@breznknedl From YouTube ↗ 21 Dec 2025 2400
The ISS is proof that cooperation can transcend nations. It is in my opinion one of the most beautiful things ever made by humanity and I hope that cooperation does not stop, once it is decommissioned. Thank you for covering this topic!