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5
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Mira 3 year s ago
I guess "heliometer" is not part of the school program anymore.
       
13
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Edny 3 year s ago
Mira,
School is not part of the school program anymore....
       
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belayclappingdance3dashdirol
drinksfoolgirl_craygirl_devilgirl_witch
goodgreenheartJC-LOLJC_doubledown
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yahooshoot

"This London Skyscraper Can Melt Cars And Set Buildings On Fire"

"Skyscraper is known locally as "the Walkie-Talkie" for its unusual shape. But that curvilinear shape is exactly what's causing the problem: The south-facing exterior wall is covered in reflective glass, and because it's concave, it focuses the sun's rays onto a small area, not unlike the way a magnifying glass directs sunbeams onto a superhot pinpoint of light."

 

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Looks Like Anything Can Start A Fire…
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