Monthly Archives: April 2014

The Legend of the Pony Express

The Legend of the Pony Express

On April 3, 1860, the Pony Express started delivering messages, newspapers, mail, even small packages from St. Joseph, Missouri across the Great Plains, over the Rocky Mountains and the Sierra Nevada to Sacramento, California by horseback, using a series of relay stations. Although being an economic disaster, the Pony Express has become a U.S. national legend. In January 1848, Gold was discovered in California, but the poor communication between the east and…
Read more
Fizeau, Foucault and Astronomical Photography

Fizeau, Foucault and Astronomical Photography

On April 2, 1845, Armand Hippolyte Louis Fizeau and Jean Bernard Léon Foucault manage to make the very first photography of the Sun. Thereby, they both initiate astronomical photography. From a previous blog post you may remember Léon Foucault’s Pendulum.[4] The instrument was used to proof Earth’s rotation in the 1850s and counts to one of Foucault’s biggest scientific achievements. But let’s start a little bit earlier. Leon Foucault was born on September…
Read more
Relation Browser
Timeline
0 Recommended Articles:
0 Recommended Articles: