Latest episodes in this series
The Silicon Age - How one element has powered most of human innovation28 August 2019 | 11 Minute Listen
Look around you, wherever you look you will see silicon at work. This is a tribute to the 14th element on the periodic table and its many uses. Silicon is an element that takes its name from the Greek word for flint, it does so because humanity has used flint since the Stone Age to make tools. Flint is a form of quartz which is silicon dioxide. Its the combination of the most abundant element in the Earth’s crust - Oxygen and the second most abundant Silicon.
Doomsday weapons15 August 2019 | 11 Minute Listen
The risks to human survival were once out of our hands. Disease and famine our greatest threat. Industrial revolutions have neutralised many of those threats while creating new potentially more potent and entirely man-made ones. Climate Change and nuclear weapons While global warming has had more coverage in the last few years, you may be forgiven for thinking that nuclear threats are remote or isolated to attempts to create them in nations like North Korea and Iran. That is mostly true, but recent developments between the US and Russia may see the nuclear threat becoming more real.