A Harvard grad steers us closer to self-healing cities

It’s winter, which means roads everywhere are becoming damaged as melting snow gets inside the cracks of the asphalt, freezes, expands, and forms big gaping holes in the road. You’ve probably seen more than one person standing on the side of the road next to a blown tire, and there’s no end to the cursing of the roads that won’t be fixed until spring.

What if one day that could all go away? In the future, it might be possible for potholes to disappear in a matter of hours, with the use of one Harvard graduate’s invention. Robert Flitsch is presenting the world with what he’s calling the Road Engineering Addibot. It’s a 3D printing robot that can use raw materials to print layer upon layer until a surface is built.

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