Discretely assembled mechanical metamaterials
November 26, 2020 8:08 AM Subscribe
Versatile building blocks make structures with surprising mechanical properties - "The subunits could be robotically assembled to produce large, complex objects, including cars, robots, or wind turbine blades."
Abstract: "we present a construction system for mechanical metamaterials based on discrete assembly of a finite set of parts, which can be spatially composed for a range of properties such as rigidity, compliance, chirality, and auxetic behavior."
also btw...
-Flexures, flextures, compliant mechanisms
-The ghost is the machine - simple cybernetics making things move
Abstract: "we present a construction system for mechanical metamaterials based on discrete assembly of a finite set of parts, which can be spatially composed for a range of properties such as rigidity, compliance, chirality, and auxetic behavior."
also btw...
- kinetiX - "These modular elements can be combined in a wide variety of ways and assembled into multifarious forms."
- Shapeshifting Materials Could Transform Our World Inside Out - "From medicine to space travel, Chuck Hoberman's shape-shifting is expanding scientific research."
-Flexures, flextures, compliant mechanisms
-The ghost is the machine - simple cybernetics making things move
sexyrobot, that page immediately took over my screen and tried to infect a virus!
posted by ishmael at 9:20 AM on November 26, 2020
posted by ishmael at 9:20 AM on November 26, 2020
I love that their car was named TLDR.
posted by jeffamaphone at 9:47 AM on November 26, 2020
posted by jeffamaphone at 9:47 AM on November 26, 2020
Look like they'll need some really good glue.
posted by bonobothegreat at 10:15 AM on November 26, 2020 [1 favorite]
posted by bonobothegreat at 10:15 AM on November 26, 2020 [1 favorite]
Reminds me of amino acids. The linear sequence of different amino acid's side chain dictates the ultimate 3d structure of a protein. You can even get enzymatic activity.
Of course, this is at a very different scale.
My suspicion is that at a sufficient complexity, it might become susceptible to prion-like effects (mis-folding because the linear protein doesn't follow the right rules anymore).
posted by porpoise at 6:29 PM on November 26, 2020 [1 favorite]
Of course, this is at a very different scale.
My suspicion is that at a sufficient complexity, it might become susceptible to prion-like effects (mis-folding because the linear protein doesn't follow the right rules anymore).
posted by porpoise at 6:29 PM on November 26, 2020 [1 favorite]
This is neat!
I'm glad I skimmed the paper a second time before hitting submit on a long-winded critique of the application ideas that assumed there were micron-scale rather than 50-mm-scale. They ordered this stuff from Protolabs! Everyone here could make their own kit for the cost of a dozen sandwiches. Very cool.
posted by eotvos at 2:11 AM on November 27, 2020
I'm glad I skimmed the paper a second time before hitting submit on a long-winded critique of the application ideas that assumed there were micron-scale rather than 50-mm-scale. They ordered this stuff from Protolabs! Everyone here could make their own kit for the cost of a dozen sandwiches. Very cool.
posted by eotvos at 2:11 AM on November 27, 2020
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posted by sexyrobot at 8:48 AM on November 26, 2020