ScienceDaily: Top Technology News |
- Advancing secure communications: A better single-photon emitter for quantum cryptography
- Exposure to space radiation reduces ability of intestinal cells to destroy oncoprotein
- System provides clear brain scans of awake, unrestrained mice
- Electronic implants: New fast transcutaneous non-invasive battery recharger and energy feeder
- Nanotechnology imaging breakthrough
- A step toward optical transistors?
- 'Spooky action at a distance' aboard the International Space Station
- Retired star found with planets and debris disc
- Peel-and-stick thin film solar cells
- Surprising turn of microscopic particles in capillaries: X-rays reveal unexpected re-orientation
- Shape changers: Surface diffusion plays a key role in defining the shapes of catalytic nanoparticles
| Advancing secure communications: A better single-photon emitter for quantum cryptography Posted: 09 Apr 2013 11:50 AM PDT In a development that could make the advanced form of secure communications known as quantum cryptography more practical, researchers have demonstrated a simpler, more efficient single-photon emitter that can be made using traditional semiconductor processing techniques.  |
| Exposure to space radiation reduces ability of intestinal cells to destroy oncoprotein Posted: 09 Apr 2013 11:48 AM PDT With so much recent interest in space travel, many have asked, is it safe? Two studies funded by NASA help explain why space radiation may increase the risk of colorectal cancer in humans.  |
| System provides clear brain scans of awake, unrestrained mice Posted: 09 Apr 2013 10:19 AM PDT Researchers have shown that the AwakeSPECT system can obtain detailed, functional images of the brain of a freely moving, conscious mouse.  |
| Electronic implants: New fast transcutaneous non-invasive battery recharger and energy feeder Posted: 09 Apr 2013 10:18 AM PDT Scientists have developed a non-invasive battery recharger system for electronic implants that allows a longer life for the internal implantable devices in the human body such as pacemakers, defibrillators and electric hearts.  |
| Nanotechnology imaging breakthrough Posted: 09 Apr 2013 10:18 AM PDT Scientists have made a major breakthrough in measuring the structure of nanomaterials under extremely high pressures. They developed a new way to get around the severe distortions of high-energy X-ray beams that are used to image the structure of a gold nanocrystal.  |
| A step toward optical transistors? Posted: 09 Apr 2013 09:47 AM PDT Researchers have demonstrated a new way to control light in semiconductor nanocrystals.  |
| 'Spooky action at a distance' aboard the International Space Station Posted: 09 Apr 2013 06:54 AM PDT Albert Einstein famously described quantum entanglement as "spooky action at distance"; however, up until now experiments that examine this peculiar aspect of physics have been limited to relatively small distances on Earth.  |
| Retired star found with planets and debris disc Posted: 09 Apr 2013 06:12 AM PDT The European Space Agency's Herschel space observatory has provided the first images of a dust belt -- produced by colliding comets or asteroids -- orbiting a subgiant star known to host a planetary system.  |
| Peel-and-stick thin film solar cells Posted: 09 Apr 2013 06:07 AM PDT Scientists have fabricated peel-and-stick thin film solar cells (TFSCs). The Si wafer is clean and reusable. Moreover, as the peeled-off TFSCs from the Si wafer are thin, light-weight, and flexible, it can be attached onto any form or shape of surface like a sticker.  |
| Surprising turn of microscopic particles in capillaries: X-rays reveal unexpected re-orientation Posted: 08 Apr 2013 12:29 PM PDT When small particles flow through thin capillaries, they display an unusual orientation behavior, researchers have found. The discovery is of major importance for spinning processes designed for the production of synthetic fibers, and for the understanding of vascular stenosis.  |
| Shape changers: Surface diffusion plays a key role in defining the shapes of catalytic nanoparticles Posted: 08 Apr 2013 12:29 PM PDT Controlling the shapes of nanometer-sized catalytic and electrocatalytic particles made from noble metals such as platinum and palladium may be more complicated than previously thought.  |
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