ScienceDaily: Engineering and Construction News |
- Engineers efficiently 'mix' light at the nanoscale
- Revolutionary solar-friendly form of silicon shines
- Spiral laser beam creates quantum whirlpool
- Engineers develop innovative process to print flexible electronic circuits
- Three-dimensional microtechnology with Origami folding art
- Developing self-healing concrete to improve the durability of structures
| Engineers efficiently 'mix' light at the nanoscale Posted: 17 Nov 2014 12:47 PM PST Researchers have engineered a nanowire system that could pave the way for photonic computing, combining two light waves to produce a third with a different frequency and using an optical cavity to amplify the intensity of the output to a usable level.  |
| Revolutionary solar-friendly form of silicon shines Posted: 17 Nov 2014 10:06 AM PST Silicon is the second most-abundant element in the earth's crust. When purified, it takes on a diamond structure, which is essential to modern electronic devices -- carbon is to biology as silicon is to technology. Scientists have synthesized an entirely new form of silicon, one that promises even greater future applications.  |
| Spiral laser beam creates quantum whirlpool Posted: 17 Nov 2014 06:33 AM PST Physicists have engineered a spiral laser beam and used it to create a whirlpool of hybrid light-matter particles called polaritons, hybrid particles that have properties of both matter and light and could link electronics with photonics.  |
| Engineers develop innovative process to print flexible electronic circuits Posted: 17 Nov 2014 05:46 AM PST Engineers have successfully printed complex electronic circuits using a common t-shirt printer. The electronic circuits are printed using unique materials in layers on top of everyday flexible materials such as plastic, aluminum foil and even paper. Resistors, transistors and capacitors, the key components of a complex electronic circuit, are printed using non-toxic organic materials like silver nanoparticles, carbon and plastics.  |
| Three-dimensional microtechnology with Origami folding art Posted: 14 Nov 2014 05:58 AM PST Microtechnology has radically changed our lives, both in electronics and mechanics. Everyone encounters this every day and uses successful examples, such as the accelerometer in smartphones or the sensor in car airbags. However, enormous strides can still be made in microtechnology. The current applications are two-dimensional. Everything is placed on a thin layer of glass or silicon, which is used in pure form for the production of semiconductor chips, for example, in smartphones.  |
| Developing self-healing concrete to improve the durability of structures Posted: 13 Nov 2014 08:00 AM PST Manual repairs to structures lead to endless traffic jams everywhere, but imagine that all this misery on the road could be eliminated by means of concrete that repairs itself. That is exactly what a new project aims to achieve, the development of self-healing concrete to improve the durability of structures.  |
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