Post Mortem Photography

Oct 8, 2021

In the olden days before photography, people used to hire painters to create portraits of those who had recently died as a way to keep the...

Itacolumite: The Flexible Rock

Oct 6, 2021

Ever seen a piece of rock bend? Itacolumite is unique kind of sandstone that does when cut into thin strips. If a foot-long piece, a few cen...

Tripitaka Koreana

Oct 6, 2021

The Tripiá¹­aka Koreana is the oldest surviving version of the Buddhist canon and the most complete collection of Buddhist texts, laws and tre...

The Chain Boats of Europe

Oct 4, 2021

In his travelogue, A Tramp Abroad , Mark Twain describes an encounter with a curious boat on the River Neckar in Germany.  We ra...

Otto von Guericke's Magdeburg Hemisphere Experiment

Oct 2, 2021

The Magdeburg Hemispheres is a classic physics experiment that demonstrates the incredible pressure the atmosphere around us exerts on our b...

Horatio Phillips’s Extreme Multiplanes

Sep 30, 2021

British engineer and aviator Sir George Cayley suggested, as early as 1843, that an airplane with multiple wings will generate more uplift a...

Hackney Borough Disinfection Station

Sep 28, 2021

When you came down with an infectious disease in the early 1900s in London, not only were you whisked away in a horse-drawn cart to the hosp...

The Madaba Mosaic Map

Sep 27, 2021

In 1884, an Orthodox Christian community that had recently moved to Madaba, a city in western Jordan, began the construction of a new Church...

The Soviet Moon Prank

Sep 24, 2021

In December 1968, Frank Borman, James Lovell, and William Anders, became the first men to fly around the moon and return to earth. But they ...

Viktor Belenko: The Pilot Who Stole a Secret Soviet Aircraft

Sep 22, 2021

Lieutenant Viktor Ivanovich Belenko woke up early in the morning as he had done everyday for the past four weeks, to watch the approaching d...