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Upcoming events at the Ri
As if by magic!
6.00pm - 7.30pm
Andrew Szydlo presents an explosive family show on the magic of chemistry.
The science of laughter (Friday Evening Discourse)
8.00pm to 9.15pm
Sophie Scott looks at the science behind what makes us laugh.
J.J. Thomson announces existence of electron
On this day in 1897, J.J. Thomson announced, in a Friday Evening Discourse, the existence of a particle later called the electron.