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Physicists have increasingly begun to view life as information-processing “states of matter” that require special consideration.

We don’t need to think about what life is made of but rather what it does.

Halley’s comet only visits every ~76 years, but its meteors arrive twice each year. The most famous comet of all — Halley’s comet — returns to our inner Solar System every ~76 years. Halley’s comet […]