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But for most of the last half of the 20th century, both were concatenated by baseball.

“A deficit of fire, concatenated with the effects of climate change have led us here,” said Don Hankins, a fire ecologist at California State University, Chico.

In particular, improvements are required to increase the lifetime of the encoded qubits and to allow the possibility of concatenating many levels of error correction.

Stewart, by contrast, grew up in the cunningly concatenated small town of Indiana, Pa., where his father owned the hardware store.

This idea does not easily scale to topological codes, but could be investigated for concatenated codes.