Author: Dr. John Lienhard

Episode: 1397 John Fitch and America's first successful steamboat.  Today, America's first steamboat.

Episode: 3315 In which an engineering failure vanishes from the historical record.  Today, a fragment of history quietly disappears.

Episode: 1396 An engineer named Calder.  Today, an engineer takes up sculpture.

Episode: 1395 The World's Worst Aircraft: learning what constitutes bad.  Today, the worst airplanes ever built!

Episode: 1393 Early inventions of the electric telegraph.  Today, we look at ninety years of electric telegraphy before Morse.

Episode: 1392 The nature of fog and of redwood trees.  Today, fog in the forest.

Episode: 1391 The Johnstown Flood. They didn't see it coming.  Today, a dam breaks.

Episode: 1389 The supply of wood: trouble along the Equator, good news to the North.  Today, some good news and some bad.

Episode: 1388 A short history of tunneling.  Today, let's tunnel our way through history.

Episode: 1387 The ghost fleet of wooden ships in Mallows Bay.  Today, a fleet of sunken ships.