ScienceDaily: Engineering and Construction News |
- sensor invented that uses radio waves to detect subtle changes in pressure
- Long-span construction: Ultra light-weight cloud arch architectural technology for sustainable construction
- Electrically conductive plastics promising for batteries, transparent solar cells
- Radio frequency technology being developed to localize breast tumors
- DNA nano-foundries cast custom-shaped metal nanoparticles
- Plasmonic paper for detecting trace amounts of chemicals, pollutants and more
- Dissolvable silicon circuits and sensors
| sensor invented that uses radio waves to detect subtle changes in pressure Posted: 10 Oct 2014 07:10 AM PDT A new sensor has been developed by engineers that is made of a special rubber layer between two strips of copper that act like radio antennas; the rubber is an insulator. Pressure squeezes the antennas infinitesimally closer, altering the electrical characteristics of the device. Radio waves beamed through the device change frequency as pressure changes, providing a way to gauge pressure wirelessly. The underlying technology could lead to prosthetic devices with an electronic sense of touch. |
| Posted: 10 Oct 2014 05:40 AM PDT First-of-its-kind, light-as-cloud architectural technology boasts lower setup cost and time, and is set to revolutionize long-span architecture and construction. |
| Electrically conductive plastics promising for batteries, transparent solar cells Posted: 09 Oct 2014 06:04 PM PDT An emerging class of electrically conductive plastics called 'radical polymers' may bring low-cost, transparent solar cells, flexible and lightweight batteries and ultra-thin antistatic coatings for consumer electronics and aircraft. |
| Radio frequency technology being developed to localize breast tumors Posted: 09 Oct 2014 06:03 PM PDT Breast cancer may inspire more public discussion, advocacy and charitable giving than almost any other disease besides HIV and AIDS. But people rarely talk about the specific experiences to which cancer patients are subjected. Especially the localization wire. For a group of engineers and clinicians, that presented an opportunity to develop a solution that is technologically elegant, precise and patient-centric. |
| DNA nano-foundries cast custom-shaped metal nanoparticles Posted: 09 Oct 2014 12:41 PM PDT Researchers have unveiled a new method to form tiny 3-D metal nanoparticles in prescribed shapes and dimensions using DNA, nature's building block, as a construction mold. The ability to mold inorganic nanoparticles out of materials such as gold and silver in precisely designed 3D shapes is a significant breakthrough that has the potential to advance laser technology, microscopy, solar cells, electronics, environmental testing, disease detection and more. |
| Plasmonic paper for detecting trace amounts of chemicals, pollutants and more Posted: 09 Oct 2014 12:38 PM PDT Using a common laboratory filter paper decorated with gold nanoparticles, researchers have created a unique platform, known as "plasmonic paper," for detecting and characterizing even trace amounts of chemicals and biologically important molecules—from explosives, chemical warfare agents and environmental pollutants to disease markers. |
| Dissolvable silicon circuits and sensors Posted: 09 Oct 2014 12:38 PM PDT Electronic devices that dissolve completely in water, leaving behind only harmless end products, are part of a rapidly emerging class of technology. This technology suggest a new era of devices that range from green consumer electronics to 'electroceutical' therapies, to biomedical sensor systems that do their work and then disappear. |
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