Alternative Energy
Beginning of paper
SOLAR ENERGY -- THE ENERGY OF THE FUTURE? About 47 per cent of the energy that the sun releases to the earth
actually reaches the ground. About a third is reflected directly back into space by the atmosphere. The time in which solar
energy is available, is also the time we least need it least - day ....
Middle of paper
.... can then
be used to turn electric generators there must be another method. The concentrated beams of sunlight are collected in a device
called a solar furnace, which acts on the same principles as a large magnifying glass. The solar furnace takes the sunlight from a
large area and by the use of lenses and mirrors can focus the light into a very small area. Very elaborate solar furnaces have
machines that angle the mirrors and lenses to the sun all day. This system can provide sizeable amo ....
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Word count: 339
Page count: 2 (approximately 250 words per page)
