Given North America's recent record-breaking cold with its thousands of cancelled airline flights, ice and aviation are very much in the news-especially the ice that cakes up on wings and tails, requiring trips to de-icing stations on the ...
Tags: Aircraft Icing, Alpha Particles
Scientists from SLAC, Stanford and Berkeley Lab grew sheets of an exotic material in a single atomic layer and measured its electronic structure for the first time. They discovered it's a natural fit for making thin, flexible light-based ...
Light-gathering macromolecules in plant cells transfer energy by taking advantage of molecular vibrations whose physical descriptions have no equivalents in classical physics, according to the first unambiguous theoretical evidence of ...
Tags: photosynthesis, light-gathering macromolecules, quantum mechanical
It's known that electric vehicles could travel longer distances before needing to charge and more renewable energy could be saved for a rainy day if lithium-sulfur batteries can just overcome a few technical hurdles. Now, a novel design for ...
Tags: electric vehicles, lithium-sulfur batteries, new anode, renewable energy
Today the Baryon Oscillation Spectroscopic Survey (BOSS) Collaboration announced that BOSS has measured the scale of the universe to an accuracy of one percent. This and future measures at this precision are the key to determining the ...
Tags: Baryon Oscillation Spectroscopic Survey, scale of the universe
For electronics buyers, inventory control tends to be one of the most challenging aspects of procurement and supply chain management. Making the hurdle especially cumbersome is that fact that purchasing agents are often responsible for ...
Tags: Electronics Buyers, Supplier Negotiation Tactics, Costs
Due to their rapid improvements in a short amount of time, perovskite solar cells have become one of today's most promising up-and-coming photovoltaic technologies. Currently, the record efficiency for a perovskite solar cell is 15% and ...
Tags: perovskite solar cells, photovoltaic technology, perovskite material
A group at Harvard University has created an aqueous flow battery that uses a quinone, a type of organic molecule that happens to have favorable electrochemical properties. The particular quinone they used is nearly identical to one found ...
Tags: Electrical, Electronics
Superconducting materials exhibit unexpected behaviors when subjected to magnetic fields or high pressures –discoveries that have implications for controlling electrons in those special materials. According to two studies, one ...
Tags: Cerium-Colbalt-Indium5, superconductivity, magnetism, electrons
Researchers in China have developed a selective area epitaxy (SAE) approach to create nanopyramids of nitride semiconductor 'white' light-emitting diodes (LEDs) without using phosphors [Kui Wu et al, Appl. Phys. Lett., vol103, p241107, ...
Tags: Electrical, Electronics, LED
Researchers based in Korea and Egypt have used wafer thinning to increase the efficiency of nitride semiconductor green light-emitting diodes (LEDs) [Wael Z. Tawfik et al, Appl. Phys. Express, vol6, p122103, 2013]. The contributing ...
The concept of a perpetual motion machine is an enticing one: Imagine a machine that runs continuously without requiring any external energy—a feat that could make refueling vehicles a thing of the past. While a perpetual motion ...
Tags: perpetual motion machine, negative absolute temperatures
One of the most widely known compounds on Earth is carbon dioxide, or CO2. We learn as children that CO2 is a key component of photosynthesis, the process by which plants, algae, and bacteria convert light into energy. This reaction is part ...
Tags: carbon dioxide, CO2, global carbon cycle, photosynthesis, study of CO2
The foreign media reported, the Bill and Melinda Gates Foundation has invested in a project to produce electrical power by digesting urine. The hope is that the new power source, dubbed " electricity from urine" will be able to power mobile ...
Tags: Urine Electricity, Energy
China's Cabinet estimates this year's economic growth edged down to 7.6 percent and warned it faces pressure to decline further, a state news agency said Thursday. The forecast, reported by the Xinhua News Agency, is below the 2012 rate ...