The Science of Glass

Misha Glenny and guests discuss one of the wonders of the natural world. In 1875 in the western Pacific, the crew of HMS Challenger discovered the Mariana Trench which turned out to be deeper than Everest is high, by two kilometres. Trenches like Mariana form when one tectonic pl ...  Show more

Melvyn Bragg and guests discuss the evolution of lungs and of the first breaths, which can be traced back 400 million years to when animal life spread from rock pools and swamps onto land, as some fish found an evolutionary advantage in getting their oxygen from air rather than w ...  Show more

The process that turns sand into glass is very cool – or rather, we should say very hot. Very, very, very hot as it turns out. Humans have been turning minerals from the earth’s crust into glass for 3,500 years. Find out how it’s done and how it’s evolved – from blowing glass by ...  Show more

Glass is a magic thing that is both solid as a wall and clear as the air. It starts out as sand and with tons of heat, and a few key ingredients, it becomes the super useful material we know and love. In this episode we look at how glass is made, why it's clear and how nature mak ...  Show more

Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.In today’s programme: A breakthrough in nuclear fusion: what’s happened and what does this mean in practical terms? A new way to stop your glasses fogging up during this cold s ...  Show more

Physics, while absolutely fascinating, can be impenetrable. And it isn't just cutting-edge ideas that can melt our brains, often we accept basic principles and ideas without really knowing how they work or even what they are. This week, Jonathan is joined by Sean Carroll, physi ...  Show more