Is solar energy renewable
- how is solar power obtained
- how is solar energy obtained
- how is solar energy obtained for human use
- how is solar power produced
Advantages of solar energy.
How does solar energy work
How does solar power work?
The sun—that power plant in the sky—bathes Earth in ample energy to fulfill all the world's power needs many times over. It doesn't give off carbon dioxide emissions.
It won't run out. And it's free.
So how on Earth can people turn this bounty of sunbeams into useful electricity?
The sun's light (and all light) contains energy.
Disadvantages of solar energyUsually, when light hits an object the energy turns into heat, like the warmth you feel while sitting in the sun. But when light hits certain materials the energy turns into an electrical current instead, which we can then harness for power.
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Old-school solar technology uses large crystals made out of silicon, which produces an electrical current when struck by light.
Silicon can do this because the electrons in the crystal get up and
- how is solar power used
- how is solar power collected on a large scale