Why do sandy footprints appear raised? - a podcast by Dr Chris Smith

Why is it, that when you take photos of footprints in sand, they can sometimes appear raised? We tackle this holiday illusion in Question of the Week! Plus, we ask if bubbles in your bath can keep it warmer for longer. Like this podcast? Please help us by supporting the Naked Scientists

Further episodes of Question of the Week, from the Naked Scientists

Further podcasts by Dr Chris Smith

Website of Dr Chris Smith