Dr Karl’s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it’s never too late for a happy childhood.
We can't see the Great Attractor but we've measured its presence. We're falling into Virgo and Virgo can't resist its force. Is Dark Energy involved? What is the "zone of avoidance"? Professor Geraint Lewis helps Dr Karl with his homework.
Self-described ‘professional space history nerd’ Amy Shira Teitel and Dr Karl talk about spaceflight before NASA. Her book ‘Breaking the Chains of Gravity' covers cutting edge rocket planes like the X-15 (and its surprising link with...