Jem takes a look at the the 50th anniversary of the laser's invention by explaining how it works and creating one himself. Dallas learns more about citizen science. Yan attempts to demonstrate how to calculate the speed of light.

Episode Viewers and Ratings

Season 4 Episode 5 of Bang Goes The Theory resulted in a 0.00 rating in the 18-49 demographic.

Bang Goes The Theory Season 4 Episodes...

• s04e01 - Japanese Earthquake and Tsunami
• s04e02 - IVF, Playground Swing, and a Special Mirror
• s04e03 - Supersonic, Sticky Stuff and an Optical Illusion
• s04e04 - Calories, Risk and Antibiotics
• s04e05 - Light, Lasers and Citizen Science
• s04e06 - GM Crops, Dust Allergy and Shattering Glass
• s04e07 - Singing Road, Dad Dancing, DNA Family Tree
• s04e08 - Recycling, GPS and Magic Tricks

Bang Goes The Theory Show Summary

Bang Goes The Theory sees Dallas Campbell, Liz Bonnin, Jem Stansfield and Dr Yan Wong coming up with ingenious ways of explaining the latest developments in technology.