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Showing 1 - 4 of 4
Need-less light pollution
This page from the Need-less campaign aims to raise awareness of light pollution.
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Hits: 9
Night sky simulator
How dark is your night sky? See the extent of light pollution across the UK and find the best spots for star gazing.
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Hits: 82
United States Environmental Protection Agency (EPA), Explorers Club
aims to allow the user to explore their environment and learn how to protect it. Includes an 'ask a question' facility, games, pictures and stories. The 'Science Room' includes activities on the ...
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Hits: 171
Stirling Engine Society USA
The modern Stirling engine is an extra clean low pollution output engine, because the heat is from de the engine, creation of pollutants is avoided. Also because of the external combustion aspect , ...
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Hits: 306
Showing 1 - 4 of 4