ScienceDaily: Top Technology News |
- Hiding objects with a terahertz invisibility cloak
- Engineers test effects of fire on steel structures, nuclear plant design
- NASA's Mars rover Opportunity begins study of Martian crater
- Rare Martian lake delta spotted by Mars Express
| Hiding objects with a terahertz invisibility cloak Posted: 02 Sep 2011 11:20 AM PDT Researchers have created a new kind of cloaking material that can render objects invisible in the terahertz range. Though this design can't translate into an invisibility cloak for the visible spectrum, it could have implications in diagnostics, security, and communication.  |
| Engineers test effects of fire on steel structures, nuclear plant design Posted: 02 Sep 2011 10:30 AM PDT Ten years after Sept. 11, researchers are continuing work that could lead to safer steel structures such as buildings and bridges and also an emerging type of nuclear power plant design.  |
| NASA's Mars rover Opportunity begins study of Martian crater Posted: 02 Sep 2011 07:57 AM PDT The initial work of NASA's Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.  |
| Rare Martian lake delta spotted by Mars Express Posted: 02 Sep 2011 07:47 AM PDT The European Space Agency's Mars Express has spotted a rare case of a crater once filled by a lake, revealed by the presence of a delta. The delta is an ancient fan-shaped deposit of dark sediments, laid down in water. It is a reminder of Mars' past, wetter climate.  |
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