Harnessing Energy: Videos
This video, produced by the Institute of Physics (IOP), shows a physicist working at the Centre for Alternative Energy.
The physicist's job is to help people learn about conserving energy and using energy from the sun, wind and water in place of fossil fuels.
The video is presented as a whole and, for ease of use, in six sections:
Solar energy: energy from the Sun is changed into other forms of energy (3:44)
PV modules: photovoltaic cells change the Sun's energy into electrical energy (0:50)
Solar heat exchangers: highly efficient solar panels can be designed to heat water (3:51)
Water energy - hydroelectric: gravitational potential energy of water can generate electricity (2:49)
Water energy - cliff railway: the potential energy of water is used to power a train (1:08)
Wind energy: we can take advantage of living in the windiest country in Europe (1:28)
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