ScienceDaily: Top Technology News |
- Electron's negativity cut in half by supercomputer: Simulations slice electron in half -- a physical process that cannot be done in nature
- Graphene quantum dots: The next big small thing
- Optical nanoantennas enable efficient multipurpose particle manipulation
- Magnetic actuation enables nanoscale thermal analysis
- Hydrogen advances graphene use
- Astronomers release unprecedented data set on celestial objects that brighten and dim
- Nano research could impact flexible electronic devices
| Posted: 12 Jan 2012 11:22 AM PST Using several massive supercomputers, a team of physicists has split a simulated electron perfectly in half. The results are another example of how tabletop experiments on ultra-cold atoms and other condensed-matter materials can provide clues about the behavior of fundamental particles.  |
| Graphene quantum dots: The next big small thing Posted: 12 Jan 2012 10:43 AM PST Scientists have found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.  |
| Optical nanoantennas enable efficient multipurpose particle manipulation Posted: 12 Jan 2012 10:43 AM PST Researchers have shown that by tuning the properties of laser light illuminating arrays of metal nanoantennas, these nano-scale structures allow for dexterous optical tweezing as well as size-sorting of particles.  |
| Magnetic actuation enables nanoscale thermal analysis Posted: 12 Jan 2012 10:43 AM PST In recent years an atomic force microscope-based technique called nanoscale thermal analysis has been employed to reveal the temperature-dependent properties of materials at the sub-100 nm scale. Typically, nanothermal analysis works best for soft polymers. Researchers have now shown that they can perform nanoscale thermal analysis on stiff materials like epoxies and filled composites.  |
| Hydrogen advances graphene use Posted: 12 Jan 2012 08:26 AM PST A dose of hydrogen or helium can render the "super material" graphene even more useful, as shown by physicists.  |
| Astronomers release unprecedented data set on celestial objects that brighten and dim Posted: 12 Jan 2012 08:26 AM PST Astronomers have released the largest data set ever collected that documents the brightening and dimming of stars and other celestial objects -- two hundred million in total.  |
| Nano research could impact flexible electronic devices Posted: 12 Jan 2012 08:19 AM PST A new discovery shows that the flexibility and durability of carbon nanotube films and coatings are intimately linked to their electronic properties and could impact flexible electronic devices such as solar cells and wearable sensors.  |
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