Superconductivity

Misha Glenny and guests discuss the laws that Hammurabi (c1810 - c1750 BC), King of Babylon, had carved into a black basalt pillar in present day Iraq and which, since its rediscovery in 1901 in present day Iran, has affirmed Hammurabi's reputation as one of the first great lawma ...  Show more

Misha Glenny and guests discuss one of the most successful of Shakespeare's plays in his own time. Written with no Part 2 in mind as 'Henry the Fourth', the play explores ideas about who can be a legitimate ruler and why, and how anyone can rightly succeed to the throne. This was ...  Show more

If superconductors — materials that conduct electricity without any resistance — worked at temperatures and pressures close to what we would consider normal, they would be world-changing. They could dramatically amplify power grids, levitate high-speed trains and enable more a ...

Few topics have captivated the imagination of scientists like superconductivity. In this episode, we cover the history of superconductors starting with the Gentleman of Zero Kelvin himself. We discuss applications of superconductors for high-speed trains and more and even chat ...

Melvyn Bragg and his guests discuss the science of matter and the states in which it can exist. Most people are familiar with the idea that a substance like water can exist in solid, liquid and gaseous forms. But as much as 99% of the matter in the universe is now believed to exi ...  Show more

Melvyn Bragg and his guests discuss dark matter, the mysterious and invisible substance which is believed to make up most of the Universe. In 1932 the Dutch astronomer Jan Oort noticed that the speed at which galaxies moved was at odds with the amount of material they appeared to ...  Show more