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Power

Harnessing Slow Water Currents For Renewable Energy 113

Posted by Soulskill from the hydroelectric-for-those-who-won't-give-a-dam dept.
Julie188 writes "Slow-moving ocean and river currents could be a new, reliable and affordable alternative energy source. A University of Michigan engineer, Michael Bernitsas, has made a machine that works like a fish to turn potentially destructive vibrations in fluid flows into clean, renewable power. This is is the first known device that could harness energy from most of the water currents around the globe because it works in flows moving slower than 2 knots (about 2.3 miles per hour). Most of the Earth's currents are slower than 3 knots. Turbines and water mills need an average of 5 or 6 knots to operate efficiently. Further details and a few brief movies of the technology are available, as well as a video explanation by Professor Bernitsas himself."
Enlightenment

Submission + - Satellite images show Myanmar abuses (msn.com) 1

Submitted by
Lucas123
Lucas123 writes: "Satellite images that resulted from a year-long study just released by The American Association for the Advancement of Science, human rights campaigners and commercial satellite providers show evidence from above that Burma's military-led government has engaged in a long campaign of destroying villages and relocating villagers. "Human-rights groups say that more than 3,000 villages have been destroyed in an effort to crush opposition to the junta. Civil unrest in Myanmar has created 1.5 million refugees and 500,000 internally displaced people, and 1,300 political prisoners are in jail, according to human-rights reports.""

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