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Saturday, May 25, 2013

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Cosmic swirly straws: Galaxies fed by funnels of fuel

Posted: 24 May 2013 12:48 PM PDT

Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws. The results show that cold gas -- fuel for stars -- spirals into the cores of galaxies along filaments, rapidly making its way to their "guts." Once there, the gas is converted into new stars, and the galaxies bulk up in mass.

Facial-recognition technology proves its mettle

Posted: 24 May 2013 11:25 AM PDT

In a study that evaluated some of the latest in automatic facial recognition technology, researchers were able to quickly identify one of the Boston Marathon bombing suspects from law enforcement video, an experiment that demonstrated the value of such technology.

Perfect skin: More touchy-feely robots

Posted: 24 May 2013 10:43 AM PDT

Robots could become a lot more 'sensitive' thanks to new artificial skins and sensor technologies. Leading to better robotic platforms that could one day be used in industry, hospitals and even at home.

Research effort deep underground could sort out cosmic-scale mysteries

Posted: 24 May 2013 10:43 AM PDT

Scientists have begun delivery of germanium-76 detectors to an underground laboratory in South Dakota in a team research effort that might explain the puzzling imbalance between matter and antimatter generated by the Big Bang.

Detection of the cosmic gamma ray horizon: Measures all the light in the universe since the Big Bang

Posted: 24 May 2013 07:46 AM PDT

Radiation from all galaxies that ever existed suffuses the universe with a diffuse extragalactic background light (EBL). Measuring the EBL is as fundamental to cosmology as measuring heat from the Big Bang (cosmic microwave background) at radio wavelengths. Researchers describe the best measurement yet of the evolution of the EBL over the past 5 billion years, based on observations from radio waves to gamma rays from NASA spacecraft and ground-based telescopes.

Researchers design photobioreactor to produce biofuel from algae

Posted: 24 May 2013 07:41 AM PDT

Researchers have patented a new device that allows more efficiently to cultivate microalgae and can be used as raw material for biofuel or for other valuable substances in the agri-food or pharmaceutical industry.

Nano-needles for cells: Tiny needles can force medicine into cells, even when they resist taking it

Posted: 24 May 2013 07:40 AM PDT

Nano-sized needles developed by researchers in Norway can force medicine into cells, even when the cell membranes offer resistance. The needles will make it easier to study the effects of medicines on cells.

Advanced biological computer developed

Posted: 23 May 2013 03:03 PM PDT

Using only biomolecules, scientists have developed and constructed an advanced biological transducer, a computing machine capable of manipulating genetic codes, and using the output as new input for subsequent computations.

New filtration material could make petroleum refining cheaper, more efficient

Posted: 23 May 2013 11:41 AM PDT

A newly synthesized material might provide a dramatically improved method for separating the highest-octane components of gasoline.

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