Monthly Archives: September 2011

I need help with a solar panel?

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I’m trying to charge rechargeable AA batteries with a solar panel. What guage wire should I use to connect the panel to the batteries? Should I use a diode to keep the batteries from overpowering the circuit? If so, what …

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green plants use about _____ of the energy of the sun?

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a. 80% b.1% c.10% d. 100% e. 50%

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At what position (angle and direction) should the solar panel be tilted to get maximum heat?

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I want to design solar panel with high efficiency by facing the sun for maximum heat absorption. Since different place has different sunrise and sunset time, the position differs. Help me. My solar panel is for heating up water, so …

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Sustainable trawl fishing in Queensland

Take a look at some recent advances in trawl fishing. Turtle excluder devices and bycatch reduction devices have greatly reduced bycatch and improved sustainable fishing.

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how can I run my computer “green” (Renewable energy)?

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I want to be running my computer seperate from my houses electrical system and in a way where I can use renewable energy. (Solar, wind, etc.) But I don’t quite know how. My computer powers between 60 – 100 watts …

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Solar Power at the Poles

Polar adventurer and expedition guide Eric Larsen talks about using Goal0 solar power on expeditions.

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