Author: Dr. John Lienhard

Episode: 2039 In which we experience quiet on the Western Front.  Today, it's quiet on the Western Front.

Episode: 1306 Voices from Adelaide; Horace Lamb and Andrew Thomas on Mir.  Today, a 120-year journey into space.

Episode: 1305 Setting concert pitch -- the elusive 440 A.  Today, we set the pitch of a concert A.

Episode:  1304 In which we learn how musical pitches are formed.  Today, we learn what makes a musical tone.

Episode: 1303 Chasing the transit of Venus over the tundra.  Today, we chase a mini-eclipse.

Episode: 1302 Francois Marcet's steam globe: measuring vapor-pressure.  Today, a piece of apparatus and a piece of history.

Episode: 1301 The Boy Mechanic: endangering boys seeking danger.  Today, a boy's world, a century ago.

Episode: 1300 Daniel Fahrenheit invents the thermometer and its scale.  Today, we invent the thermometer.

Episode: 1299 The improbable earth-quakeproof Japanese pagoda.  Today, pagodas and earthquakes.

Episode: 1298 Edward Ritchie: building instruments and shaping education.  Today, let's watch machines shape education -- and invention.