Marcel Duchamp 

Fascinating Experiments in Physics by François Cherrier, Sterling Publishing, NY, 1979 (originally published in France as Experiences de Physique Amusante, 1975)

Striking Aerial Photographs of Namibia’s Arid Landscape Appear as Abstract Paintings

Spires, Dermot Russell

Breathing underwater, Damon Loble

Calpe, Spain

Sans titre by Dan McPharlin Via Flickr : New Zealand 2010

Intake tower, Blowering Reservoir, NSW

“Iridophores are found under the chromatophores and are responsible for producing the metallic/glowing looking greens, blues and golds seen in some species, as well as the silver color around the eyes. Combine this with an octopuses photophores that produce bioluminescence (glowing skin) & you’ve got yourself a incredible light display!”

Sunset on Mars [1344x1200]