(Phys.org)—Scientists have demonstrated that pinwheel-shaped microgears floating on a liquid surface can rotate at speeds of up to 300 r.p.m. when illuminated by an ordinary LED. This light-driven motion, which arises because ...
There has been much discussion of late of the ethics of artificial intelligence (AI), especially regarding robot weapons development and a related but more general discussion about AI as an existential threat to humanity.
Computer Sciences
Aug 17, 2015
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Australian scientists have identified cost-effective ways to help marine populations 'bounce back' after major disturbances, using a case study of spangled emperor (Lethrinus nebulosis) at Ningaloo Reef.
Ecology
Aug 17, 2015
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After two years without any nuclear power in response to the 2011 Fukushima earthquake, tsunami and subsequent nuclear crisis, Japan has restarted its first reactor, Sendai 1.
Energy & Green Tech
Aug 17, 2015
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The majority of New Zealand's freshwater species are disappearing. That's the message of the Society for Conservation Biology's new report, which two of New Zealand's leading freshwater ecologists Massey University's Dr Mike ...
Ecology
Aug 17, 2015
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Remote, low-grade deposits of platinum group metals (PGMs) can be economically recovered using novel direct leaching approaches, doing away with the need for traditional, expensive smelting operations.
Materials Science
Aug 17, 2015
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Wiluna residents will have tastier and healthier drinking water thanks to a $1.7 million water treatment plant upgrade.
Environment
Aug 17, 2015
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Hurricanes are the most powerful weather event on Earth. NASA's expertise in space and scientific exploration contributes to essential services provided to the American people by other federal agencies, such as hurricane ...
Earth Sciences
Aug 17, 2015
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A particular idea is often taken for granted in the cultural conversation surrounding demographic shifts in urban centers in the United States: that new mass transit options coming into a neighborhood foreshadow a rise in ...
Social Sciences
Aug 17, 2015
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When cells age or suffer damage, they are able to actively bring about their own pre-programmed death – a "suicide" process known as apoptosis. A desensitization of this process determines the change from a normal cell ...
Cell & Microbiology
Aug 17, 2015
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