about 22 hours ago - 3 comments
Question by : how large must a solar panel be to power a train? If the schematics of a solar train were drawn, what would they look like? Would the train be large or small? Where would the panels be placed? And if so, how large must the panels be to fit the roof? Even
about 1 day ago - 2 comments
Question by wilhem: 100wt energy saving bulb in a socket rated for a 60wt standard bulb? My standard ceiling light sockets suggest that I use standard 60 watt bulbs. The cold light of a 60 watt flourescent bulb is just not enough light. Can I use a 75 or 100 watt flourescent bulbs instead. ——————————————
about 2 days ago - No comments
Question by committed1985: To save energy on a sunny winter day, is it better to let the sun in the windows or draw the thermal curtains? Both are excellent answers. Thank you! I do have a big gap at the top of my energy curtains, so I have to fix that. My windows are old,
about 2 days ago - No comments
Question by Ashley J: How much solar energy (kJ) would have to be…? How much solar energy (kJ) would have to be transferred to a 145.0 foot length of asphalt highway that is 49.0 feet wide and 25.0 centimeters deep in order to raise the temperature 5.00 oC ?The average density of asphalt is 721
about 3 days ago - 2 comments
Question by : How do I make my own solar panel? How do I make my own solar panels and generate my own power cheaply. The commercial one’s are just too expensive. —————————————— Answer by mugikuyuIts very easy but the entire process is quite lengthy. You will need to purchase some materials and then assemble
about 4 days ago - 1 comment
Question by vyra h: Is it safe to unplug your personal to save energy? Will you lose any of your info? —————————————— Answer by Brian SYou’ll want to turn it off before you unplug it, but no… there is no danger of losing what is stored in that case. Answer by John RIt’s safe but
about 4 days ago - 4 comments
Question by : Why is Germany good for using wind energy? I know they use it, but what are some features of Germany that allows them to use it? —————————————— Answer by Haydenwind? Answer by Graham EarleIt’s the German diet which produces abnormally high levels of flatulence. Answer by ninaCause there is a lot of
about 4 days ago - 2 comments
Question by elrodvoss: What Solar Panel Efficiency would replace Coal? A friend sent me an article that a company called Fraunhofer has produced solar panels that can achieve 41.1% efficiency. Now taking into account the fact that solar do sent work during storms or night and greatly reduced during winters, what % do you think
about 5 days ago - No comments
Question by T: What is your view on people being allowed to dry their clothes outside in order to save energy? A number of states are making it against the law to dry your clothes outside on clothes lines. Is not this going green like we have been told to do?? What is your view
about 6 days ago - No comments
Question by bballer: What are some environmental benefits of Wind Energy? I can’t find any good sites. A good reply would be great but a good site will be worth an simple 10 points. Thanks! —————————————— Answer by Headtater0 carbon electricity. It is as simple as that. The wind is free and is abundant. The
about 1 year ago
plants produce glucose as their fuel source from photosynthesis. Its a different concept I think. They actually use the co2 in the air, solar panels collect photons.
about 1 year ago
Most plants are around 1% efficient at turning sunlight into a useful form of energy it can use. Bamboo is probably somewhat higher. Solar panels are somewhere around 20% efficient now I think. Trees are much cheaper to use for collecting solar energy if you have the land area though.