172161164
submission
thepacketmaster writes:
Documented in a recent Nature journal, researchers have found an abundance of both helium-4 and helium-3 trapped in the volcanic rocks on Baffin Island.
As the Earth formed, it is thought that helium-4 and helium-3 flowing on the solar wind became trapped in the minerals of the cooling planet. With heavier elements and minerals sinking to the bottom, this trapped helium was transported to the core, where it would have remained locked in its original forms.
Earth isn't massive enough to hold on to helium in any significant quantities, though. Any that did not get trapped, or that was subsequently released when the minerals melted in the mantle or due to massive impacts, would have eventually seeped up to the surface and floated off into space. So, helium is relatively rare on Earth, and helium-3 is even more so.
2933227
submission
thepacketmaster writes:
The Star reports about a new power generation model using smaller distributed power generators located closer to the consumer. This saves money on power generation lines and creates an infrastructure that can be more easily expanded with smaller incremental steps, compared to bigger centralized power generation projects. The generators in line for this are green sources, but Hyperion Power Generation, NuScale, Adams Atomic Engines (and some other companies) are offering small nuclear reactors to plug into this type of infrastructure. The generator from Hyperion is about the size of a garden shed, and uses older technology that is not capable of creating nuclear warheads, and supposedly self-regulating so it won't go critical. They envision burying reactors near the consumers for 5-10 years, digging them back up and recycling them. Since they are so low maintanence and self-contained, they are calling them nuclear batteries.
1803269
submission
thepacketmaster writes:
A previous slashdot article I posted mentioned the possibility of Stephen Hawking coming to Canada. The Toronto Star now reports that he has accepted the position. Hawking will hold the title of distinguished research chair at the prestigious Perimeter Institute for Theoretical Physics.
1746211
submission
thepacketmaster writes:
It what is being hailed as a medical milestone, CNN reports a woman suffering from long-term tuberculosis had her lower trachea and bronchial tube replaced by tissue grown from her own stem cells. A team from the universities of Barcelona, Spain; Bristol, England; and Padua and Milan, Italy, decided to go ahead with the surgery instead of having to remove her left lung. The operation, reported Wednesday in the British medical journal The Lancet, has been hailed as a major leap for medicine that could offer new hope for patients suffering from serious illness.
813135
submission
thepacketmaster writes:
The International Boundaries Research Unit has recently published a new jurisdictional map of the Arctic, using geographic and legal definitions. Now it appears Santa Claus could potentially be Danish. But as pointed out in an article, more important than St. Nick is "an area thought to contain one-fifth of the world's undiscovered and recoverable oil and gas resources." and from this map, Russia has a huge claim in that.
775067
submission
thepacketmaster writes:
An article today is mentioning the possibility of Steven Hawking moving to Waterloo in Canada: "A report out of Britain suggests Stephen Hawking is considering an invitation to come work at the Perimeter Institute for Theoretical Physics....But he's also being encouraged to move to Ontario by his University of Cambridge colleague Neil Turok, the mathematical physicist who will take over as Perimeter's executive director on Oct. 1. Perimeter confirmed last night that it has made a standing offer to Hawking...Turok is leaving Cambridge after failing to persuade university authorities, research councils and sponsors to spend $40 million...By comparison, Waterloo's Perimeter Institute has about $600 million in funding...The addition of Hawking to Perimeter's staff of top physicists would be a major coup for the research institute, founded in 1999 by Mike Lazaridis, founder and co-CEO of Research In Motion, which makes the BlackBerry."
