Readers of today’s Highway 99 tunnel story — about why the giant drill has advanced only 24 feet this month — have been wondering why there is fiberglass in the muck. The story described how ...
Much like a silkworm uses a single thread to swaddle itself in a cocoon, a new kind of robot spins a single strand of material around its body to build custom-shaped fiberglass structures. Each robot, ...
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