Episode details
Available for over a year
Mathematics whizz Dr Katie Steckles explains what a four-dimensional sphere would look like. (Image: Young student writing equations Credit: Getty Images)
Programme WebsiteUse ÃÛÑ¿´«Ã½.com or the new ÃÛÑ¿´«Ã½ App to listen to ÃÛÑ¿´«Ã½ podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Mathematics whizz Dr Katie Steckles explains what a four-dimensional sphere would look like. (Image: Young student writing equations Credit: Getty Images)
Programme Website