Si & Gary: Scientist Si returns with more of a fizzle than a bang

20/10/2016
Before becoming a broadcaster, Si had long dreamed of becoming a scientist. Fast forward 30 years and Si is finally living his dream!
 

 

For Si's second experiment, he tried to make a jet engine in a jar... But things didn't exactly go to plan.
 
WARNING: DO NOT TRY THIS AT HOME