ScienceDaily: Engineering and Construction News |
- Rice-sized laser, powered one electron at a time, bodes well for quantum computing
- Physicists detect 'charge instability' across all flavors of copper-based superconductors
- Gold nanoparticles show promise for early detection of heart attacks
- Improved solar panels and printed electronics on the horizon with new material discovery
- New technology purifies waste water by freezing it first: Possible applications in mineral extraction industry
| Rice-sized laser, powered one electron at a time, bodes well for quantum computing Posted: 15 Jan 2015 11:23 AM PST Researchers have built a rice grain-sized microwave laser, or 'maser,' powered by single electrons that demonstrates the fundamental interactions between light and moving electrons. It is a major step toward building quantum-computing systems out of semiconductor materials.  |
| Physicists detect 'charge instability' across all flavors of copper-based superconductors Posted: 15 Jan 2015 11:17 AM PST Physicists have detected 'charge ordering' in electron-doped cuprate superconductors for the first time. Charge ordering is a ripple-like instability at the electron level that competes with superconductivity and likely suppresses the temperature at which materials demonstrate superconducting properties. Until now, researchers had only observed the phenomenon in other forms of cuprate materials.  |
| Gold nanoparticles show promise for early detection of heart attacks Posted: 15 Jan 2015 09:21 AM PST A novel colloidal gold test strip is demonstrating great potential for early detection of certain heart attacks. Researchers are developing the strip to test for cardiac troponin I (cTn-I); its level is several thousand times higher in patients experiencing myochardial infarctions. The new strip uses microplasma-generated gold nanoparticles. Compared to AuNPs produced by traditional chemical methods, the surfaces of thesenanoparticles attract more antibodies, which results in significantly higher detection sensitivity.  |
| Improved solar panels and printed electronics on the horizon with new material discovery Posted: 15 Jan 2015 07:32 AM PST New and improved solar panels could result from the discovery of a new liquid crystal material, making printable organic solar cells better performing.  |
| Posted: 12 Jan 2015 06:31 AM PST Freezing technology can be utilized in waste water treatment, researchers in Finland have shown. When waste water freezes, it can be purified through the formation of a cleaner layer of ice. The clean layer of ice can be removed from the rest of the waste water, and the remaining waste water is more concentrated. The new energy-efficient method of purification is based on the natural freezing process of water: energy is required only for breaking the ice and transporting it from the waste water pool.  |
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