NOVA

Treasures of the Earth: Power

Drill down to discover the treasures beneath our feet that power our world. Fossil fuels–coal, oil, and natural gas–powered the industrial revolution and allowed us to build a way of life that many cherish today. Personal cars, planes, lights, hot showers–all of these are gifts from our fossil fuels… but they have a dirty dark side in that they are polluting the planet.

Harvesting Electricity from Sand

2m 36s

When it comes to generating power, shining light on silicon opens up many possibilities.

Previews + Extras

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