Valves | Shock and Awe: The Story of Electricity
Jim Al-Khalili explains how William Crooks experimented with sending electrical currents through a vacuum.Tweet
Trains and superconductors | The Secret Story of Stuff: Materials of the Modern Age
Zoe Laughlin explains how the science of trains has barely changed in the last 150 years.
Superconductors | Shock and Awe: The Story of Electricity
Jim Al-Khalili looks at how, in 1986, IBM researchers discovered a breakthrough regarding superconductivity in ceramic materials.