This is NASA's new "space fabric" in development at the Jet Propulsion Laboratory.
The metal textile is 3D printed in one piece yet can be easily folded and flexed. Eventually, the researchers expect that such materials could be used as deployable shields to protect spacecrafts from meteorites, as insulation, or possibly for new kinds of spacesuits. To my eye, it could also lead to some fantastic fashions at the cosmic disco. From NASA JPL:
A technique called additive manufacturing, otherwise known as 3-D printing on an industrial scale, is necessary to make such fabrics. Unlike traditional manufacturing techniques, in which parts are welded together, additive manufacturing deposits material in layers to build up the desired object. This reduces the cost and increases the ability to create unique materials.
"We call it '4-D printing' because we can print both the geometry and the function of these materials," said Polit Casillas. "If 20th Century manufacturing was driven by mass production, then this is the mass production of functions..."
The space fabrics have four essential functions: reflectivity, passive heat management, foldability and tensile strength. One side of the fabric reflects light, while the other absorbs it, acting as a means of thermal control. It can fold in many different ways and adapt to shapes while still being able to sustain the force of pulling on it.
The JPL team not only wants to try out these fabrics in space someday, they want to be able to manufacture them in space, too.
"'Space Fabric' Links Fashion and Engineering" (NASA)
The fine folks at Techquickie put together a quick overview that takes the mystery out of the dizzying array of audio file formats, including when to use what and brief histories of the most common types.
MetaLimbs is a robotic system that provides the wearer with an extra pair of arms. The mechanical arms are controlled by the user’s legs, feet, and toes. The researchers from Keio University and the University of Tokyo will present their work at next month’s SIGGRAPH 2017 conference in Los Angeles.
Buckets hanging on maple trees may have worked great 200 years ago, but modern producers use a system like the internet: a series of tubes!
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