ScienceDaily: Top Technology News |
- Shooting light a curve: New tool may yield smaller, faster optoelectronics
- Effortless sailing with fluid flow cloak
- Supernovae parents found: Clear signatures of gas outflows from stellar ancestors
- Smart skin: Electronics that stick and stretch like a temporary tattoo
- Catalyst that makes hydrogen gas breaks speed record
- Bilayer graphene: Another step towards graphene electronics
- Alien world is blacker than coal
- Facing up to better face recognition
| Shooting light a curve: New tool may yield smaller, faster optoelectronics Posted: 11 Aug 2011 01:28 PM PDT Paving the way for fast-as-light, ultra-compact communication systems and optoelectronic devices, scientists have developed a technique for steering the curved path of plasmonic Airy beams -- combinations of laser light and quasi-particles called surface plasmon polaritons.  |
| Effortless sailing with fluid flow cloak Posted: 11 Aug 2011 01:28 PM PDT Engineers have already shown that they can "cloak" light and sound, making objects invisible -- now, they have demonstrated the theoretical ability to significantly increase the efficiency of ships by tricking the surrounding water into staying still.  |
| Supernovae parents found: Clear signatures of gas outflows from stellar ancestors Posted: 11 Aug 2011 11:28 AM PDT Observations of Type Ia supernovae has led to the discovery that the universe is expanding at an accelerating rate and the notion of dark energy. However, astronomers do not know for certain how the explosions take place and whether they all share the same origin. Now, a team of researchers has examine 41 of these objects and concluded that there are clear signatures of gas outflows from the supernova ancestors, which are likely not white dwarfs.  |
| Smart skin: Electronics that stick and stretch like a temporary tattoo Posted: 11 Aug 2011 11:28 AM PDT Engineers have developed a device platform that combines electronic components for sensing, medical diagnostics, communications and human-machine interfaces, all on an ultrathin skin-like patch that mounts directly onto the skin with the ease, flexibility and comfort of a temporary tattoo.  |
| Catalyst that makes hydrogen gas breaks speed record Posted: 11 Aug 2011 11:28 AM PDT Looking to nature for their muse, researchers have used a common protein to guide the design of a material that can make energy-storing hydrogen gas. The synthetic material works 10 times faster than the original protein found in water-dwelling microbes, the researchers clocking in at 100,000 molecules of hydrogen gas every second.  |
| Bilayer graphene: Another step towards graphene electronics Posted: 11 Aug 2011 11:13 AM PDT The Nobel Prize winning scientists Professor Andre Geim and Professor Kostya Novoselov have taken a huge step forward in studying the wonder material graphene and revealing its exciting electronic properties for future electronic applications.  |
| Alien world is blacker than coal Posted: 11 Aug 2011 07:51 AM PDT Astronomers have discovered the darkest known exoplanet -- a distant, Jupiter-sized gas giant known as TrES-2b. Their measurements show that TrES-2b reflects less than one percent of the sunlight falling on it, making it blacker than coal or any planet or moon in our solar system.  |
| Facing up to better face recognition Posted: 11 Aug 2011 05:45 AM PDT Face recognition software of the kind incorporated into biometric identification tools, photo-gallery applications and social media websites can be very useful, but it also raises privacy concerns given the seeming ease with which faces in photos can now be tied to an individual. Researchers have developed even more powerful software for face recognition.  |
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