No robot can reproduce the way that algal cells, begonias, and people can. However, an automaton that’s little more than a stack of blocks has shown that it, too, can make more of its own kind.

This capability makes the robot a natural fit for things like space stations and spacecraft since multiple BILL-E units could "live" on the structure, moving to repair it as needed.

BILL-E robot can build structures block by block ANI | Updated: Oct 17, 2019 21:51 IST ...