The concept art of a solar sail (Japan’s IKAROS project) at a distant planet or star system. Image credit: Andrzej Mirecki of Wikimedia Commons, under a c.c.a.-s.a.-3.0 license.

Ask Ethan: Can we use quantum entanglement to communicate faster-than-light?

Einstein called it spooky, but if we figure it out right, can we learn about distant star systems instantaneously?

Ethan Siegel
May 7, 2016 · 6 min read

“Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful