"…it is worth mentioning Phillip K. Dick’s Time out of joint (1959), in which the hero, living a modest daily life in a small idyllic Californian city in the late 1950s, gradually discovers that the whole town is a fake staged to keep him satisfied… The underlying experience of Time out of joint and of The Truman Show is that the late-capitalist consumerist Californian paradise is, in it’s very hyperreality, in a way unreal, substanceless, deprived of material inertia.” Slavoj Žižek, Welcome to the Desert of the Real, Verso, 2002.
18th century instrument to determine the sky’s ‘blueness’ called a Cyanometer:
The simple device was invented in 1789 by Swiss physicist Horace-Bénédict de Saussure and German naturalist Alexander von Humboldt who used the circular array of 53 shaded sections in experiments above the skies over Geneva, Chamonix and Mont Blanc.
via This is Colossal
Drifting in the Water