Рет қаралды 27,143
Ron Lancaster demonstrates the different sounds of fireworks and how chemicals such as potassium picrate can be used to change the sound.
Reverend Ron Lancaster MBE is the founder of Kimbolton Fireworks Ltd who are the company who have put on some of the greatest fireworks displays of our times, including the 2012 Olympic games ceremonies, the Queen's Jubilee and New Year's celebrations in London and Edinburgh. The Chemistry of Fireworks lecture was filmed at Kimbolton School in Cambridgeshire.
Warning: These demonstrations have been tailored for this lecture. If you are to perform similar experiments in your laboratory, please make sure you carry out a full risk assessment.