Solar cells have become more efficient. This allows for greater conversion of sunlight into usable electricity in a smaller space.
It hasn't.
Alaska; They get a lot of sunlight time.
NO!!! Whilst the Sun big , bright, yellow light in the sky, there will always be solar energy. The amount of energy that the Sun releases is so huge , mankind's entrapment of solar energy is minscule.
when it comes from the source ex) lamp,sun,etc
At night or when no light in the day time.
The general tendency has been to use more energy per capita over time.
Ultraviolet rays are generally considered a harmful disadvantage of solar energy. These rays cause damage to the solar panels over an extended period of time.
i dont know what this type box is for.......
Renewable Resources
Renewable.
Renewable.
Renewable.
how the anemometer changed over time
how the anemometer changed over time
The laws of physics have not changed over time. Our understanding of them has changed over time.
Solar energy
how has coal mining changed over time