Seb Falk joined me to discuss the science in the Middle Ages, or, according to his new book, 'The Light Ages'. They gave us the first universities, the first eyeglasses and the first mechanical clocks as medieval thinkers sought to understand the world around them, from the passing of the seasons to the stars in the sky.

Subscribe to History Hit and you'll get access to hundreds of history documentaries, as well as every single episode of this podcast from the beginning (400 extra episodes). We're running live podcasts on Zoom, we've got weekly quizzes where you can win prizes, and exclusive subscriber only articles. It's the ultimate history package. Just go to historyhit.tv to subscribe. Use code 'pod1' at checkout for your first month free and the following month for just £/€/$1.