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- Thread starter ndee
- Start date
LOLyourFace
Banned
solar cells aren't cost efficient yet. and it doesn't really matter about being in dessert, heat has nothing to do with the amount of sunlight the cells accumulate.
Have fun translating I think it's Perpetuum Mobile (an extra U) but is it the same as a Perpetual Motion Machine?
And what does chocolate mousse have to do with solar cells in the Sahara? 😉
FeathersMcGraw
Diamond Member
No, because a perpetual motion machine runs indefinitely without any additional input of energy once it's started.
littleprince
Golden Member
The sun is not always available at a desert.
Deserts arent even at the equator if thats what your thinking, deserts exist because of weather patterns caused by the hadley cell.
You could get 24 hour sunlight at the poles for parts of the year, or if you put a satelite into orbit around the sun. You definately gonna need a long time before you get your energy back.
Deserts arent even at the equator if thats what your thinking, deserts exist because of weather patterns caused by the hadley cell.
You could get 24 hour sunlight at the poles for parts of the year, or if you put a satelite into orbit around the sun. You definately gonna need a long time before you get your energy back.
Perpetual motion has nothing to do with solar cells. By definition perpetual motion is a mechanism that is 100 % energy efficient meaning no energy is lost to friction, resistance, etc.
Once you set the device in motion, it will stay in motion forever without ever needing any additional energy from something like a solar cell.
Once you set the device in motion, it will stay in motion forever without ever needing any additional energy from something like a solar cell.
Electric Amish
Elite Member
Only 8 minutes at the speed of light.
amish
littleprince
Golden Member
Uh, 8 minutes for light to reach the Earth.
To keep a satelite in orbit around the sun takes energy, so does moving a device from Pole to Pole to gather 24hr/day energy.
Just cause light reaches Earth in about 8 minutes does not mean you get the energy you put into the device back.
To keep a satelite in orbit around the sun takes energy, so does moving a device from Pole to Pole to gather 24hr/day energy.
Just cause light reaches Earth in about 8 minutes does not mean you get the energy you put into the device back.
You sir, are an idiot.
Just because it's a desert does NOT mean the sun shines 100% of time. There is night in the desert, moron. Also, WTF is perpetum(SIC) mobile?'
Conversion of energy from one source to another has NOTHING to do w/ perpetual motion. All you're suggesting (even IF we could get 24hr sunlight) is that the solar cells run steady-state indefinitely, such as ALL power generators do. The fact that sunlight instead of natural gas, coal, nuclear material is used is irrelevant.
Also, solar cells are NOWHERE near 100% efficient, in fact, they are so inefficient that even if run 24hrs a day for 30years, they would not output more energy than was necessary to make them.
STOP POSTING IGNORANT DRIVEL.
Electric Amish
Elite Member
Sorry. I thought you were talking about getting the energy you collected at the sun "back" to earth, not recouping invested energy.
amish
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