Here Comes the Sun (Full Version)

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2008 – If it were up to the sun, we would have no energy problem. Every half hour on the Earth’s surface, there is more than enough light to provide energy needs for the whole world in a year. We don’t have an energy problem, we have a conversion problem. If we are able to harvest sunlight in a smart way, then we can prevent a global energy crisis.

That sounds nice but that does not mean it will succeed, at least that is what many different bodies want us to believe. It’s too expensive, takes too much space, too much material, it costs more energy than it brings, and it is still not efficient enough. While all these doubts play a role for solar energy in the distant future, it is still a marginal player in the global energy game. Back-light takes the edge off these myths and shows that a solar economy is much closer than we think. Next year, there are already rolling Giga Watts of solar cells on the conveyor belt. The industry has mastered the technology and the machines.

Radical German government measures have proved that it is possible. Villagers have completely installed solar power on empty lands. Power stations contribute to the network and where they are deserved. Many countries follow the German example: The Americans have their Grand Solar Plan and the French President Sarkozy is talking about a solar plan with the countries bordering the Mediterranean Sea. According to the Spanish electricity producers, oil companies will be left out. So what energy crisis? The sun is coming! More at www.vpro.nl

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Secrets of the Sun (Full Version), 4.2 out of 5 based on 5 ratings
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Secrets of the Sun (Full Version)

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2012 – The Sun contains 99.9% of all the matter in our solar system. It sheds hot plasma at nearly a million miles per hour. The temperature at its core is a staggering 27 million degrees Fahrenheit. It convulses, it blazes, it sings. You know it as the Sun.

Scientists know it as one of the most amazing physics laboratories in the universe. Now, with the help of new spacecraft and Earth-based telescopes, scientists are seeing the Sun as they never have before and even recreating what happens at its very center in labs here on Earth. Their work will help us understand aspects of the Sun that have puzzled scientists for decades. But more critically, it may help us predict and track solar storms that have the power to zap our power grid, shut down telecommunications, and ground global air travel for days, weeks, or even longer. Such storms have happened before–but never in the modern era of satellite communication. “Secrets of the Sun” by NOVA PBS reveals a bright new dawn in our understanding of our nearest star–one that might help keep our planet from going dark.

 

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Rating: 4.2/5 (5 votes cast)
Secrets of the Sun (Full Version), 4.2 out of 5 based on 5 ratings
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