ScienceDaily: Top Technology News |
- Extending Einstein's ideas: New kind of quantum entanglement demonstrated
- Physicists make strides in understanding quantum entanglement
- Engineers develop new energy-efficient computer memory using magnetic materials
- Dreidel-like dislocations lead to remarkable properties
- Developing power sources for flexible, stretchable electronics
- 'Liquid that thinks:' Swarm of ping-pong-ball-sized robots created
- Study fuels insight into conversion of wood to bio-oil
- Nanocrystals not small enough to avoid defects
- Passing the alcohol test: Fundamental properties of molecules have not changed during the past seven billion years
| Extending Einstein's ideas: New kind of quantum entanglement demonstrated Posted: 14 Dec 2012 04:15 PM PST Physicists have published new research which builds on the original ideas of Einstein and adds a new ingredient: a third entangled particle. |
| Physicists make strides in understanding quantum entanglement Posted: 14 Dec 2012 04:15 PM PST While some theoretical physicists make predictions about astrophysics and the behavior of stars and galaxies, others work in the realm of the very small, which includes quantum physics. Recently, theoretical physicists have made important strides in studying a concept in quantum physics called quantum entanglement, in which electron spins are entangled with each other. |
| Engineers develop new energy-efficient computer memory using magnetic materials Posted: 14 Dec 2012 04:15 PM PST By using electric voltage instead of a flowing electric current, researchers have made major improvements to an ultra-fast, high-capacity class of computer memory known as magnetoresistive random access memory, or MRAM. |
| Dreidel-like dislocations lead to remarkable properties Posted: 14 Dec 2012 04:12 PM PST Dreidel-shaped dislocations put a new spin on two-dimensional materials for advanced electronics, hinting at sub-nanometer signal paths. |
| Developing power sources for flexible, stretchable electronics Posted: 14 Dec 2012 04:12 PM PST Electronic devices become smaller, lighter, faster and more powerful with each passing year. Currently, however, electronics such as cell phones, tablets, laptops, etc., are rigid. But what if they could be made bendable or stretchy? According to engineers, stretchable electronics are the future of mobile electronics. |
| 'Liquid that thinks:' Swarm of ping-pong-ball-sized robots created Posted: 14 Dec 2012 11:30 AM PST If one robot can accomplish a singular task, think how much more could be accomplished if you had hundreds of them. A research team has developed a basic robotic building block, which they hope to reproduce in large quantities to develop increasingly complex systems. Recently the team created a swarm of 20 robots, each the size of a ping-pong ball, which they call "droplets." When the droplets swarm together, they form a "liquid that thinks." |
| Study fuels insight into conversion of wood to bio-oil Posted: 14 Dec 2012 08:26 AM PST New research provides molecular-level insights into how cellulose -- the most common organic compound on Earth and the main structural component of plant cell walls -- breaks down in wood to create "bio-oils" which can be refined into any number of useful products, including liquid transportation fuels to power a car or an airplane. |
| Nanocrystals not small enough to avoid defects Posted: 14 Dec 2012 07:27 AM PST A team of researchers has shown that contrary to computer simulations, the tiny size of nanocrystals is no safeguard from defects. Studies at Berkeley Lab's Advanced Light Source show that dislocations can form in the finest of nanocrystals when stress is applied. |
| Posted: 14 Dec 2012 07:24 AM PST The mass ratio of protons and electrons is deemed to be a universal constant. And rightly so, as the latest radio-astronomy observations of a distant galaxy have shown. Scientists used the 100-metre radio telescope in Effelsberg to measure absorption lines of the methanol molecule at a number of characteristic frequencies. The researchers analysed the spectrum of the simplest of all the alcohols in a very distant galaxy. The result: to a high degree of accuracy molecules and molecular matter have the same properties today as they did seven billion years ago. According to this finding, the mass ratio of protons and electrons in particular has changed by less than one hundred thousandth of a percent in this period. |
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