Solar Trees

Arnoud van den Heuvel
January 25th 2008

solartreesWelsh designer Ross Lovegrove ('Captain Organic') placed several glowing Solar Trees in the streets of Vienna (October 2007). These solar powered streetlights could save cities energy. Unlike regular streetlights, they do not require costly underground wiring to install, they are immune to blackouts.solartrees2The lights have 10 solar panels arrayed at the top of tree-like branches, which charge built-in batteries.solartrees3The batteries then power LEDs for illumination. Compared to conventional streetlights, they emit much less light pollution, because LEDs generate a very directed light.solartrees4The trees also incorporate light detectors, so the lights automatically turn on sunset and off at sunrise.solartrees5See also: mak.at/ | TedTalkRelated posts: Windmill Trees | Cellphone Treemasts

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Gerard Dobby
Posted 22/10/2010 – 18:54

prachtige vormen zijn mogelijk en elk seizoen zijn eigen kleuren , nu ook nog beweging op de wind dan is het bijna ëcht

Should men be able to give birth to children?


Lisa Mandemaker: Using an artificial womb could lead to more equality between sexes, but also between different family layouts. If men would be able to give birth to children, it would maybe be easier for male same-sex couples to have a child together.

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