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Johnathan Fletcher

Cellphone radiation levels exceed 'safe' limits for adults and children: study - 0 views

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    "A new study on cellphone safety has found that carrying a phone in a shirt or pants pocket exceeds radiation exposure guidelines spelled out by the the Federal Communications Commission (FCC), and that children absorb twice as much cellphone radiation as adults. The study published in the journal Electromagnetic Biology and Medicine criticizes the way phone manufacturers measure levels of microwave radiation, and calls for the industry standard to be scrapped."
Johnathan Fletcher

YouTube - Bill Nye - Greatest Discoveries - 4: Geology - 0 views

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    Bill Nye and the Discovery Channel give you the greatest discoveries in science. Earth is always changing, and Earth's species must continually adapt. Host Bill Nye gives an inside look at planet Earth, from its inner core to its protective magnetic field. Discover how earthquakes and volcanoes help explain plate tectonics and the dynamic geology of oceans and continents. Learn how the Earth's atmosphere gives scientific insight about weather and climate, and look at forms of radiation and the potential dangers from harmful gases and geologic changes.
Johnathan Fletcher

BBC News - Powerful cosmic blast as black hole shreds star - 0 views

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    "Astronomers have spied a star's swan song as it is shredded by a black hole. Researchers suspect that the star wandered too close to the black hole and got sucked in by the huge gravitational forces. The star's final moments sent a flash of radiation hurtling towards Earth. "
Johnathan Fletcher

Artificial cooling of Earth could reverse global warming - Technology & Science - CBC News - 0 views

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    "A report released late Thursday in London and discussed Friday at the U.N. climate conference in South Africa said that - in theory - reflecting a small amount of sunlight back into space before it strike's the Earth's surface would have an immediate and dramatic effect. Within a few years, global temperatures would return to levels of 250 years ago, before the industrial revolution began dumping carbon dioxide into the air, trapping heat and causing temperatures to rise."
Johnathan Fletcher

YouTube - How to make a nuclear reactor at home - 0 views

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    From the documentary film "Nuclear Boy Scout", the true story of the boy who set out to build a nuclear reactor in his garden shed. The complete documentary is available on DVD from producer@eagletv.co.uk
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