'The year 1840 CE in science and technology'\

See also: 1839 in science, other events of 1840, 1841 in science and the list of years in science.

Table of contents
1 Astronomy
2 Exploration
3 Geology
4 Technology
5 Awards
6 Births
7 Deaths

Astronomy

Exploration

Geology

Technology

  • William Fox Talbot invented the positive / negative process of photography used in all modern photography. He refers to this as photogenic drawing

Awards

Births

Deaths