NASA's $93BN Plan to Colonise the Moon

This is how 3D printing works in space.

“Net returns” refers to the annualised internal rate of return net of all fees and costs, calculated from the offering closing date to the sale date. IRR may not be indicative of Masterworks paintings not yet sold and past performance is not indicative of future results.

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[Merennulli]

Gotta say, the ludicrous claim that 3D printing had somehow faded away made me nearly give up on this video. It's literally everywhere now. 3D printed rockets, 3D printed mechanical components, 3D printed prototyping, 3D printed art installations, etc.

3D printing has untapped potential still, but it's strongly integrated into modern life now.

[FerociousPancake]

Wdym? 3D printing has absolutely exploded on earth. 3D printed rockets. More startups with housing companies. Increased tech with 3D metal printing. A huge amount of new medical applications. It’s huge. It’s not as much in the main spotlight because it’s a common occurrence but I assure it’s absolutely everywhere.

[benedict]

Saying 3d printing didn't take off is a weird statement

[lemster]

The transition into the sponsorship was very smooth, but I can't deny I'm sad that it's for a company like Masterworks which in my opinion preys on people's lack of financial literacy.

[rtqii]

I am not keen about using chemical resins for binding regolith. You have to ship many tons of resin even if it only represents 10% of the mass. I have actually looked at this problem, and the best solution I believe is to use molten regolith printing. You ship enough solar panels to generated the required power, then use an electrically heated molten regolith to print your buildings.

[bLake-Mow-Hawn]

Does anybody else just want this to be a thing now!? Watching a live feed of the printer printing the future house for astronauts gardens and research how cool!

[jerryvinson-yhbp]

Let's master flying farther than 400 miles then we can dream about the moon. It's been 51 years since we travelled that far into space.

[MrRofl]

Since the 80s I keep hearing promises humans will have a base on the moon or Mars within a decade. So if I have to guess it will not happen in my lifetime.

[aznetglobal]

While 3D printing may not have revolutionized the construction industry yet, many others are implementing it in transformative ways, Relativity Space out in Long Beach, Calif. is 3D printing rockets. The technology is still moving pretty fast in other sectors, we may see it coming back around into construction in surprising ways. Great episode, thanks for the work.

[leonardigweokolo]

Looking up and seeing cities in the moon. Things I can't wait to see in my lifetime.

[XLessThanZ]

3D printing structures sounds challenging if using natural resources of the planet. Sounds like "trouble" for the printer. Gotta invent steel/concrete balloons. Inflate the structure and once it's exposed to a specific environmental change (light, air, etc.), it solidifies and makes that structure permanent.

[Samuel_J]

Editing on this one was excellent, especially the intro. You covered come really interesting points and challenges, and I'd not even thought about having to consider things don't stick together like on Earth.

[puffinjuice]

3D printing has definitely caught on! I use it almost everyday at work. Mostly for prototyping and bulling jigs in the engineering field. Life without 3D printing would be going backwards. Maybe we haven't seen it catch on for building, but building is a tiny insignificant part of 3D printing!

[massimookissed]

ESA have been experimenting with using focused sunlight to sinter regolith to build structures layer by layer.
Their method doesn't require any binder material to be brought from Earth.

[jockeb]

Imagine if NASA had the same budget as the US military for just a year.

[LeperKing]

So if we're 3d printing buildings nkw what happens to construction workers? I was thinking to pursue a career in building and construction but it wont matter now I guess if we're 3d printing everything

[rowlos]

What about the structural/design differences of building something in that much lower gravity? That may be one of the reasons why 3d printing has a much better use case on the moon, you need much less material and that material doesn't need to be anywhere near as strong.

[danieljost]

Man said dont invest in stocks backed by real world products, you'll lose money. Buy into an art pump and dump instead

[grantmccoy]

Blue Danube!
Seems sketchy. How are they turning regolith into concrete? Need water? It might be there. In fact, it most likely is. I feel like the best habitats would be repurposed rockets and inflatables. Not too difficult to imagine. You could also use very tough material that normally wouldn't inflate on earth because of the pressure/gravity.

I like the idea of a lunar colony, but what is it's purpose? It's simply too dangerous/difficult for a vanity project. Especially considering our current world situation.

[ThomasGrillo]

Surface bases won't work on the moon, because of the intense radiation. The moon orbits well outside the protective magnetic shielding provided by Earth's core. Space Station, and other low earth orbiting habitats, and craft get a way with it because they orbit inside the protection of the magnetic belts. But, even low earth orbiting crews must take shelter, or abandon their stations in the event of a CME from the sun. Also, you can't produce and pour liquid based compounds in zero pressure environments, like on the moon. You also have the plus/minus 250 degree temperature variable to deal with. One side of the structure is being baked, whilst the other is being frozen right after anything comes out of an extruder. It just can't possibly work in that environment. You MUST dig into the lunar surface with tunneling machines. Once you have an area dug out, underground, you can seal the tunnel with an airlock, create a pressurized and controlled environment in which you can then use your 3D printing machines to sculpt the interiors of each habitable volume. Such structures must be underground to protect crews, crops and livestock from cosmic radiation and MMOD strikes. The only "base" related structures that should be on the surface should be launch and landing platforms, and temporary logistics transfer structures. That is THE ONLY way to safely and efficiently colonize the moon. The same goes for Mars, too. No ifs, ands or buts. Full stop.