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Letter: First class post – 15 December 2018

Published 12 December 2018

What if the other side thinks WE’RE the dark matter?

Kelly Reay of particles crossing to our world opening a portal to a dark-matter realm (1 December, p 36)

Issue no. 3208 published 15 December 2018

Â鶹´«Ã½ issue 3208 cover

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