Entry tags:
2013-04-03
Entry tags:
tidbits cross time
In the 15th century, European governments tried to protect their own woad industries by banning indigo dyes -- "pernicious, deceitful and corrosive substance, the Devil's dye."
The first attempts at street lighting by electricity imitated the moon: big tower, bright light on top. Shadows and other problems led to our current lighting systems.
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The first attempts at street lighting by electricity imitated the moon: big tower, bright light on top. Shadows and other problems led to our current lighting systems.
( Read more... )