Did Archimedes build a death ray?

Something spooky was born on the American frontier in the mid-19th century: the idea that people’s personalities survive death and that some gifted individuals can communicate with them. It developed into a religion that some still practice today.See omnystudio.com/listener for p ...  Show more

Before the internet could show you anything in the universe - including stuff it made up - people had few opportunities to have their minds blown. But every few years, somewhere in the world nations would gather and show off the cool stuff they invented.See omnystudio.com/listene ...  Show more

Dan tells the story of Archimedes, the ancient Greek inventor whose weapons of war protected the town of Syracuse from a Roman army. The Romans laid siege to Syracuse between 213 and 212 BC, attacking by sea and land, but were repelled by the city's defences. The story goes th ...

From ancient myth and the inventions of Archimedes to the work of Tesla and countless sci-fi authors, the concept of a death ray is a powerful expression of technological might. But here’s the catch: they don’t quite exist. Join Robert Lamb and Joe McCormick as they explore the v ...  Show more

For centuries self-assured academics believed Troy was a mythological city -- until, that is, the ruins were discovered. Over the span of history, the human species has lost people, cities and entire civilizations. Occasionally, governments don't want these lost empires to be ...

Who was Archimedes, and what did he actually invent? Join Jonathan as he revisits this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.