ScienceDaily: Top Technology News |
- Mathematicians show how shallow water may help explain tsunami power
- How life arose on Earth: Researchers brew up organics on ice
- New tool gives structural strength to 3-D printed works
- Protection for humans on Mars
- Quasars: Mileposts marking the universe's expansion
- High durability of nanotube transistors in harsh space environment demonstrated
- Comet may have exploded over Canada 12,900 years ago after all
- University students put off-the-shelf helicopters to work
- World's most stable laser: Important for even better optical atomic clocks
| Mathematicians show how shallow water may help explain tsunami power Posted: 18 Sep 2012 03:57 PM PDT While wave watching is a favorite pastime of beach-goers, few notice what is happening in the shallowest water. A closer look by two applied mathematicians has led to the discovery of interacting X- and Y-shaped ocean waves that may help explain why some tsunamis are able to wreak so much havoc.  |
| How life arose on Earth: Researchers brew up organics on ice Posted: 18 Sep 2012 01:22 PM PDT Would you like icy organics with that? Maybe not in your coffee, but researchers at NASA's Jet Propulsion Laboratory are creating concoctions of organics, or carbon-bearing molecules, on ice in the lab, then zapping them with lasers. Their goal: to better understand how life arose on Earth.  |
| New tool gives structural strength to 3-D printed works Posted: 18 Sep 2012 12:44 PM PDT Objects created using 3-D printing have a common flaw: They are fragile and often fall apart or lose their shape. Now researchers have developed a program that automatically imparts strength to objects before they are printed.  |
| Posted: 18 Sep 2012 09:15 AM PDT For six weeks NASA's Mars rover Curiosity has been working on the Red Planet. NASA also plans to send humans to Mars within the next 20 years. On the flight and during the stay on Moon or Mars, the astronauts have to be protected against long exposure to cosmic radiation that might cause cancer. Scientists are testing whether Moon and Mars regolith can be used to build shieldings for ground stations.  |
| Quasars: Mileposts marking the universe's expansion Posted: 18 Sep 2012 08:34 AM PDT Researchers have found a possible way to map the spread and structure of the universe, guided by the light of quasars. The technique, combined with the expected discovery of millions more far-away quasars over the next decade, could yield an unprecedented look back to a time shortly after the Big Bang, when the universe was a fraction the size it is today.  |
| High durability of nanotube transistors in harsh space environment demonstrated Posted: 18 Sep 2012 08:34 AM PDT Investigating the effects of prolonged exposure to ionizing radiation, researchers have demonstrated the ability of single walled carbon nanotube transistors to survive the harsh space environment.  |
| Comet may have exploded over Canada 12,900 years ago after all Posted: 18 Sep 2012 08:13 AM PDT New evidence and support for a theory introduced in 2007 suggested a comet may have exploded over Canada 12,900 years ago (the Younger Dryas Boundary), killing off the Clovis people and large animals and sending the earth back into an ice age. It refutes a study in 2009 that failed to replicate the findings of the 2007 study. The key findings in this new study resulted from sampling done at an archaeological site known as Topper.  |
| University students put off-the-shelf helicopters to work Posted: 18 Sep 2012 04:56 AM PDT Students are working to develop micro-UAVs that could provide low-cost surveillance while enhancing the variety of uses for these UAVs.  |
| World's most stable laser: Important for even better optical atomic clocks Posted: 14 Sep 2012 10:15 AM PDT New silicon resonator keeps the frequency of a laser more stable than ever before – Important for even better optical atomic clocks  |
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