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!!KILLER WHALE VS GREAT WHITE SHARK!!

Tags: (beach), ATTACK, Attacks, BEACH, FISH, GREAT, HUNT, HUNTED, HUNTER, Hunting, JAWS, KILLER, Killer Whale, MAMUELS, OCEAN, SEA, SHARK, Swimming, TERROR, VS, WATER, WHALE, WHITE
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FRESNEL LENS SOLAR HOT WATER, Heat Solar Pool Heater Solar Swimming Pool Heater

http://greenpowerscience.com/ This is a large Fresnel Lens focused on a copper tube with a 12 V pump (powered by two 6 watt solar panels) with water circulating through the unit. Water, seven gallons, was raised from 63 F to 106 F in one hour. It is not super efficient as heat is lost at the open top of the glass tank. This is designed to illustrate one method of solar heating a swilling pool with a Large Fresnel Lens. TESTING HDD AQUA BLOCK.

Tags: ALTERNATIVE, COOLER, CPU, ENERGY, FRESNEL, HDD, LENS, LIQUID, PANELS, PARABOLIC, PHOTOVOLTAIC, POWER, PV, REFLECTOR, SOLAR, SUN, WATER
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