Mind. Blown. 🤯 ⁣ ⁣ #TheSecretGeniusOfModernLife #HannahFry #Motorway #WomenInEngineering #Throwback ⁣ ⁣ Hannah Fry explains the science behind how slowing down traffic, can actually get you to your destination quicker, avoiding stand-still traffic.⁣ ⁣ The Secret Genius of Modern Life: Hannah Fry uncovers the secrets behind the miraculous technologies of the modern world, revealing the mind-blowing stories behind their invention.