Dr Karl on triplej

ABC Science

Science & Medicine

Join Dr Karl Kruszelnicki, Zan Rowe and their scientific guests, with a bunch of curious triplej listeners for a weekly injection of science, myth-bashing and answers! Thursdays from 11am EST.


Parallel universes, death rays, time travel

November 2nd, 2016

Episode 164 of 198 episodes

Is it possible to travel back in time to visit yourself? If the human species was shrunk, would we be a more sustainable species? Do parallel universes exist?

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