Ask The Naked Scientists

Ask the Naked Scientists episode

Thu, 12th Aug 2010

Protons, Photons and Colour-Changing Toys

Argon-ion and He-Ne laser beams (c) Jeff Keyzer from San Francisco, CA, USA

How small is a proton? What is a photon? And how do colour-changing toys work? We'll find out the answers to all these questions this week, plus find out how new stars are born, how painkillers work and the effects of salt on our bodies!

Listen Now    Download as mp3

 

Multimedia

Subscribe Free

Related Content

Not working please enable javascript
EPSRC
Powered by UKfast
STFC
Genetics Society
ipDTL