Why do things change colour, why do things burn, and most of all why do things explode? Andrew will take us on a journey through the exciting, confusing and sometimes explosive world of chemical changes.

Andrew Szydlo is a chemist and secondary school teacher at Highgate School, wellloved by pupils and Ri attendees alike.

He has given public lectures around the country, been featured on TV shows and has become a popular part of the Ri Channel in recent years.

This show was filmed on 4 December 2021.


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