Nov
26
revised Rare earth minerals in solarcell production
edited tags
Nov
26
answered Rare earth minerals in solarcell production
Nov
26
comment Rare earth minerals in solarcell production
Indium isn't a rare earth element though, is it?
Nov
25
comment Temperature to make oceans evaporate
Do you want to know the temperature to make seawater evaporate, or to boil? They're different things.
Nov
22
awarded  Custodian
Nov
22
revised Is the amount of hydro-electricity harvested, proportional to the number of turbines?
edited tags
Nov
22
answered Is the amount of hydro-electricity harvested, proportional to the number of turbines?
Nov
22
revised Is the amount of hydro-electricity harvested, proportional to the number of turbines?
edited tags; edited title
Nov
21
comment Are Fresnel lenses widely used for solar electricity? If not, why not?
Thank you for your kind words. And thanks for this superb answer - I love it.
Nov
13
revised Question on power
edited tags
Nov
12
answered Cart moving on frictionless tracks in the rain
Nov
8
revised Do you think it’s possible to make a power plant of the described kind?
added 927 characters in body; edited tags
Nov
8
answered Optimal speed for the water wheel
Nov
8
revised Optimal speed for the water wheel
deleted 33 characters in body; edited tags
Nov
7
revised Potential energy of Hydroelectric plant before the dam was built
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Nov
7
awarded  Enlightened
Nov
7
awarded  Nice Answer
Nov
4
revised Where does electricity go from a solar panel that is not plugged in to anything?
deleted 8 characters in body; edited tags
Nov
1
revised Is plant photosynthesis more efficient than solar panels?
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Oct
29
revised How absorption coefficient determines which material is used to make solar cells?
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