Until now, virtually everything the human race has ever built has had one key restriction: Earth’s gravity. That may be changing.
Until now, virtually everything the human race has ever built—from rudimentary tools to one-story houses to the tallest skyscrapers—has had one key restriction: Earth’s gravity. Yet, if some scientists have their way, that could soon change.
, a space architect who founded MIT’s Space Exploration Initiative and one of the researchers behind the project. The resin is sensitive to ultraviolet light. When the balloons experience an ultraviolet flash, the light percolates through the skin and washes over the resin. It cures and stiffens, hardening into a solid structure. Once it’s cured, astronauts can cut away the skin and reveal the part inside.
The benefit of building parts like this in orbit is that Earth’s single most fundamental stressor—the planet’s gravity—is no longer a limiting factor. Say you tried to make particularly long beams with this method. “Gravity would make them sag,” says Ekblaw.In the microgravity of the ISS? Not so much. If the experiment is successful, their box would be able to produce test parts that are too long to make on Earth.
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