In his 2011 “Disturbing the Universe” blog posting, Dave Goldberg, Drexel physicist and co-author of A User’s Guide to the Universe, asked whether we could surf a gravitational wave. I re-ask this question now due to the very recent discovery (by LIGO) of gravitational waves from merging black holes. The answer is a qualified yes, since […]

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Ever wonder what the origin was of some of your favorite multiverse (or alternate Universe) memes? For instance, doppelgängers in an alternate universe often have facial hair. The most famous example is Spock’s beard in the Star Trek Original Series episode, ” Mirror, Mirror.” This particular image has its origin with Jerome Bixby’s short story, […]

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