ScienceDaily: Top Technology News |
- 'Flipped' classrooms improve physics education
- Gamma rays detected from galaxy halfway across the visible universe
- Graphene nanoribbons get metallic
- Turning point of a lifetime: Seeing life in its first three days
- XXL hunt for galaxy clusters: Observations from ESO telescopes provide crucial third dimension in probe of Universe’s dark side
- Bioengineered sunscreen blocks skin penetration, toxicity
- U mad bro? Computers now know when you're angry
| 'Flipped' classrooms improve physics education Posted: 15 Dec 2015 01:06 PM PST If physics problem makes you break out in a cold sweat, you are not alone. And yet thousands of students enroll yearly in university classes to undertake the daunting task of solving questions far more complex than that. Many of them have difficulty overcoming their physics-induced anxiety. One researcher has a solution: flip the traditional classroom on its head.      |
| Gamma rays detected from galaxy halfway across the visible universe Posted: 15 Dec 2015 10:45 AM PST In April 2015, after traveling for about half the age of the universe, a flood of powerful gamma rays from a distant galaxy slammed into Earth's atmosphere. That torrent generated a cascade of light -- a shower that fell onto the waiting mirrors of the Very Energetic Radiation Imaging Telescope Array System (VERITAS) in Arizona. The resulting data have given astronomers a unique look into that faraway galaxy and the black hole engine at its heart. |
| Graphene nanoribbons get metallic Posted: 15 Dec 2015 09:25 AM PST Researchers have succeeded in experimentally realizing metallic graphene nanoribbons (GNRs) that are only 5 carbon atoms wide. In their article, the research team demonstrated fabrication of the GNRs and measured their electronic structure. The results suggest that these extremely narrow and single-atom-thick ribbons could be used as metallic interconnects in future microprocessors. |
| Turning point of a lifetime: Seeing life in its first three days Posted: 15 Dec 2015 06:43 AM PST For the first time, scientists can observe the first two to three days of a mouse embryo's life, as it develops from a fertilized egg up to the stage when it would implant in its mother's uterus, thanks to a new light sheet microscope. |
| Posted: 15 Dec 2015 06:39 AM PST ESO telescopes have provided an international team of astronomers with the gift of the third dimension in a plus-sized hunt for the largest gravitationally bound structures in the Universe — galaxy clusters. Observations by the VLT and the NTT complement those from other observatories across the globe and in space as part of the XXL survey — one of the largest ever such quests for clusters. |
| Bioengineered sunscreen blocks skin penetration, toxicity Posted: 14 Dec 2015 02:08 PM PST A new sunscreen has been developed that encapsulates the UV-blocking compounds inside bio-adhesive nanoparticles, which adhere to the skin well, but do not penetrate beyond the skin's surface. These properties resulted in highly effective UV protection in a mouse model, without the adverse effects observed with commercial sunscreens, including penetration into the bloodstream and generation of reactive oxygen species, which can damage DNA and lead to cancer. |
| U mad bro? Computers now know when you're angry Posted: 14 Dec 2015 05:47 AM PST Most people can tell if you're angry based on the way you're acting. Professor Jeffrey Jenkins can tell if you're angry by the way you move a computer mouse.The information systems expert says people experiencing anger (and other negative emotions -- frustration, confusion, sadness) become less precise in their mouse movements and move the cursor at different speeds. |
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