ScienceDaily: Engineering and Construction News |
- Technique simplifies creation of high-tech crystals
- Law of physics governs airplane 'evolution': Constructal law explains progression of passenger jets, sets guidelines for future aircraft
- Self-cooling solar cells boost power, last longer
- Scientists use simple, low cost laser technique to improve properties and functions of nanomaterials
| Technique simplifies creation of high-tech crystals Posted: 22 Jul 2014 10:07 AM PDT Highly purified crystals that split light with uncanny precision are key parts of high-powered lenses, specialized optics and, potentially, computers that manipulate light instead of electricity. But producing these crystals by current techniques, such as etching them with a precise beam of electrons, is often extremely difficult and expensive. Now, researchers have proposed a new method that could allow scientists to customize and grow these specialized materials, known as photonic crystals, with relative ease. |
| Posted: 22 Jul 2014 08:18 AM PDT Scientists have found that a law of physics predicts the evolution of commercial airliners and also provides guidelines for future designs. |
| Self-cooling solar cells boost power, last longer Posted: 22 Jul 2014 07:22 AM PDT Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells -- keeping them cool, even in the blistering heat of the noonday sun. By adding a specially patterned layer of silica glass to the surface of ordinary solar cells, a team of researchers has found a way to let solar cells cool themselves by shepherding away unwanted thermal radiation. |
| Scientists use simple, low cost laser technique to improve properties and functions of nanomaterials Posted: 22 Jul 2014 06:14 AM PDT By 'drawing' micropatterns on nanomaterials using a focused laser beam, scientists could modify properties of nanomaterials for effective applications in photonic and optoelectric applications. |
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