Diagram of an eclipse of the sun, with the moon casting a shadow cone, c. 1260.
[a study of light]
(via reblololo)
~ Images: Cloud chamber photographs originally invented by Charles Thomas Wilson for studying cloud formation and optical phenomena in the moist air. Inspired by sightings of the Broken Spectre (https://en.wikipedia.org/wiki/Brocken_spectre) while working on the summit of Ben Nevis, Scottish Highlands, in 1894, The New Landscape in Art and Science, 1956, Gyorgy Kepes
Bojo’s (Taken with instagram)
the saddest thing these eyes have seen in years