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Stories by Davide Castelvecchi

The Sciences

Galactic Challenge Part III: The "Easy" Solutions

Scores of readers responded to my Galactic Challenge (proposed in Part I of this series), with lots of cool ideas. The challenge was to explain our concept of left and right to far away aliens; or to explain it to Martians over the phone, as Richard Feynman put it and as I describe in Part II.Here I will review the solutions that came up and I will discuss how one could implement them in practice...

September 12, 2011 — Davide Castelvecchi
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