Did Archimedes build a death ray?

<p>Rice may be the most eaten food on the planet, accounting for 50% of the caloric intake of Asian countries and 25% worldwide. Learn all about this edible cereal crop today.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information. ... Show More

<p>Tune in to this classic episode to learn all about the legendary NYC Rockettes, who actually got their start in Missouri.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p> 

<p>Graffiti &ndash; the good kind, done with lots of style and skill &ndash; developed when some kids in NYC took up cans of spray paint and started to figure out how to outdo one another. They laid down styles that are so fine they&rsquo;re still being used by artists today.</p> ... Show More

<p>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 ... Show More

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

<p>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 ... Show More

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. 

<p>At its height, the city of Angkor was larger than Rhode Island. Replete with ornate architecture, the metropolis also served as a religious center. Yet by the time Europeans discovered the site, it was ruined. What happened? Listen in and learn more.</p><p> </p> Learn more abo ... Show More

When Robert Owen founded his utopian community, he wanted to have the best minds he could find running the educational system. He recruited William Maclure, who in turn brought many great minds with him. Their boat was nicknamed the Boatload of Knowledge. Learn more about your ad ... Show More

It's true that the world's militaries often pioneer technological innovation -- but don't let all those great successes fool you! The world's militaries have at least as many failures as they do breakthroughs. Join Ben, Noel and special guest Christopher Hassiotis as they explore ... Show More

<p>You've probably heard of the Atlantis before, but have you heard the legends of another lost city, somewhere out in the endless sands of the Arabian Peninsula's Rub' al Khali (or "Empty Quarter")? Tales of this city, known as Ubar or Iram of the Pillars, surface in countries t ... Show More

Toward the end of World War II, the German Type VIIC submarine was acknowledged to be one of the most advanced -- and deadliest -- predators on the seas. Yet, in at least one case, some of the same technological breakthroughs that made these subs astonishing also led to their dem ... Show More