ScienceDaily: Engineering and Construction News |
- Western Wall wearing away? Discovery of extreme erosion process could guide new preservation techniques
- Pairing old technologies with new for next generation electronic devices
- Spectacular 3-D sketching system revolutionizes design interaction and collaboration
- Carbon dioxide 'sponge' could ease transition to cleaner energy
- Diamonds are a quantum computer's best friend
| Posted: 11 Aug 2014 09:46 AM PDT Researchers have investigated erosion in the different kinds of limestone in the Western Wall at the foot of Jerusalem's Temple Mount. Stones made up of large crystals were almost unchanged in 2000 years, while limestone with small crystals eroded much faster and in some places had receded by tens of centimeters, potentially weakening the wall's structure. The researchers describe an accelerated erosion process that explains why some rocks are more weathered than others, and showed that chemo-mechanical erosion extends down to the tiny micron scale.  |
| Pairing old technologies with new for next generation electronic devices Posted: 10 Aug 2014 06:38 PM PDT A new method to efficiently generate and control currents based on the magnetic nature of electrons in semi-conducting materials has been developed by researchers, offering a radical way to develop a new generation of electronic devices.  |
| Spectacular 3-D sketching system revolutionizes design interaction and collaboration Posted: 10 Aug 2014 06:36 PM PDT Collaborative three-dimensional sketching is now possible thanks to a system known as Hyve-3D. The system is a full scale immersive 3D environment. Users create drawings on hand-held tables. They can then use the tablets to manipulate the sketches to create a 3D design within the space.  |
| Carbon dioxide 'sponge' could ease transition to cleaner energy Posted: 10 Aug 2014 09:42 AM PDT A plastic sponge that sops up the greenhouse gas carbon dioxide (CO2) might ease our tranisition away from polluting fossil fuels to new energy sources like hydrogen. A relative of food container plastics could play a role in President Obama's plan to cut CO2 emissions. The material might also someday be integrated into power plant smokestacks.  |
| Diamonds are a quantum computer's best friend Posted: 07 Aug 2014 07:52 AM PDT The quantum computer is not yet quite around the corner: calculations show that to implement a useful quantum algorithm, billions of quantum systems have to be used. The elements of a newly proposed quantum computer concept, nitrogen atoms trapped in diamonds, could in principle be miniaturized and mass produced. This system could be to quantum computing what the transistor was for microelectronics.  |
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