The Fluid Dynamics of Fountain Pens
The wait is finally over: Hannah Fry introduces Michael Stevens to her beloved fountain pen collection and the beautiful physics behind how fountain pens work. From a £20 Lamy Safari to vintage Water...
23 Sep 1h 5min
Dying In Space, Trapped Water, and What's Hidden In Pi?
Almost every human who has ever lived has one thing in common: they were born and died on Earth. Except for three people. Hannah Fry and Michael Stevens uncover the extraordinary story of Soyuz 11, t...
20 Sep 49min
How Codes Were Used To Hack The Telegram Business
What if a single strange word could save you a fortune? In this episode Michael opens up a Victorian telegram code book and explores how users compressed long messages into brief coded words to ou...
16 Sep 56min
Why Your Body Needs Gravity
Does space travel make astronauts younger? Professor Hannah Fry and Michael Stevens explore Einstein’s twin paradox, time dilation and NASA’s famous Twins Study with astronauts Scott and Mark Kell...
13 Sep 43min
What Is Collagen All About?
Do collagen pills live up to their promises for skin and joints and healthy ageing? In this episode, Hannah and Michael examine what collagen actually is and how the body makes and uses it, before...
9 Sep 41min
The Threshold of Human Sensation
What is the smallest thing you can possibly feel? Michael Stevens and Professor Hannah Fry journey through varying levels of perception, from the faintest touch on skin to the faintest trace of...
6 Sep 55min
The Scale of the Universe
The scale of the universe stretches from the Planck length, the smallest scale physics can describe, to the observable universe, the largest thing we can see. Travel inward from one and outward fr...
2 Sep 49min
Why Loud Chewing Makes You Angry
The mukbang phenomenon is comfort viewing for millions, yet for others the sound of chewing, slurping and everyday mouth noises is enough to trigger instant anger, disgust and distress. Why do the sou...
30 Aug 49min
