Why does petrol create a rainbow on water?

--:--

We find out why petrol creates a rainbow effect when in contact with water, and how the behaviour of light can create all these colours.

2 Feb 2015 English United Kingdom Science

Other recent episodes

What language do the profoundly deaf think in?

Thanks to Bencie Woll and Victoria Mousley for the answer! Like this podcast? Please help us by supporting the Naked Scientists

18 Apr 3 min

How far can electrons get away from their atom?

Thanks to University of Cambridge's Ben Allanach for the answer! Like this podcast? Please help us by supporting the Naked Scientists

11 Apr 3 min

Will eating sugary foods last avert glucose spikes?

Steve has written in to us to ask whether the order in which one eats their food makes a difference to whether or not they experience glucose spikes. We thought this was an interesting question for Cambridge Professor Giles Yeo to sink his teeth into... Like this podcast? Please help…

5 Apr 4 min

Why do babies have such a strong grip?

Thanks to Andrew Bremner for the answer! Like this podcast? Please help us by supporting the Naked Scientists

1 Apr 4 min

How did the ancient Romans multiply their numerals together?

Thanks to Ems Lord for the answer! Like this podcast? Please help us by supporting the Naked Scientists

22 Mar 3 min

All episodes