Category: Tomorrow

Episode: 1348 Castel del Monte: in which Frederick II plays with geometry.  Today, we wonder why a castle was built.

Episode: 1347 The invention of money: an abstraction of goods and services.  Today, a history of money.

Episode: 1346 The World's Work magazine shows what we were thinking a century ago.  Today, a magazine looks at the century past, and the one to come.

Episode: 2444 Of Wombats and Armadillos: Using Animals to Teach Probability.  Today, why did the wombat cross the road?

Episode: 2944 The Father of Quantum Theory, The Perseverance of a Scientist Facing Multiple Tragedies.  Today, a scientist's triumphs and tragedies.

Episode: 2497 Frederick Law Olmsted on the Texas Frontier.  Today, we go from the Texas frontier to Central Park.

Episode: 1345 Hadrian's Pantheon: The world's largest domed structure for 1800 years.  Today we build a big room.

Episode: 1344 The Monitor's flush toilet: lessons from emerging technologies.  Today, lessons from emerging technologies, under the worst conditions.

Episode: 1343 Forgotten lore: How much should we trouble to remember.  Today, the past fades away.

Episode: 1041 A Chinese pharmacopoeia -- 2000 years ago.  Today, we ask how the Chinese managed to hide their candle under a bushel.