Author: Dr. John Lienhard

Episode: 1481 A revealing view of photography's early days.  Today, where was photography headed in 1854?

Episode: 3346 In which Mary Proctor uses myth to help children understand reality.  Today, astronomy for children.

Episode: 3345 In which I learn that an old book is not about tachometry but tacheometry instead.  Today, a set of misunderstandings.

Episode: 3342 Bernardo Zamagna designs a lighter-than-air ship that physics could not quite support.  Today, let us fly with Bernardo Zamagna.

Episode: 1480 Streamlining and the American public.  Today, we talk about streamlining.

Episode: 1479 The riddle of more grandparents than people.  Today, you and I are kin.

Episode: 1478 A sneak preview of the Statue of Liberty.  Today, a sneak preview of the Statue of Liberty.

Episode: 1477 A horseless carriage offered to Anne Boleyn.  Today, we offer Anne Boleyn an automobile.

Episode: 1476 In which Josephine Cochrane invents the dishwasher.  Today, the birth of the dishwasher.

Episode: 1475 The tragic tale of Evariste Galois.  Today, let's tell the remarkable tale of Evariste Galois.