Researchers associated with Taiwan National Central University and Epistar Corp are developing a method to transfer indium gallium nitride (InGaN) light-emitting diodes (LEDs) to ceramic aluminium nitride (AlN) substrates for high-voltage ...
Tags: InGaN LED, Ceramic Substrate
University of Notre Dame (UND) is developing gallium nitride (GaN) quantum dots in aluminium nitride (AlN) as a route to deep ultraviolet (UV) light-emitting diodes (LEDs) [Jai Verma et al, Appl. Phys. Lett., v104, p021105, 2014]. ...
Tags: UV Light Emission, LEDs
Even if you're not shouting it from the housetops, there's a good chance the structure of your Facebook neighborhood will identify your romantic partner. From a map of Facebook friends, a computer algorithm developed by Jon Kleinberg, the ...
Tags: Facebook, Consumer Electronics, Service
Graphene has proven itself as a wonder material with a vast range of unique properties. Among the least-known marvels of graphene is its strange love affair with water. Graphene is hydrophobic – it repels water – but narrow ...
Tags: Graphene, Chemicals, Metallurgy, Mineral
The first thorough comparison of evidence for natural gas system leaks confirms that organizations including the Environmental Protection Agency (EPA) have underestimated U.S. methane emissions generally, as well as those from the natural ...
Tags: Natural Gas
Selecting a Chevy Volt, Tesla Roadster, Nissan Leaf—or one of many other new models—shoppers in the United States bought more than 96,000 plug-in electric cars in 2013. That's a tiny slice of the auto market, but it's up ...
The Facebook deal for WhatsApp drew attention for its whopping price tag, but has also brought out fresh criticism over security for the billions of messages delivered on the platform. WhatsApp, which is to be acquired for $19 billion, ...
Tags: Consumer Electronics, Electronics
Big Data is everywhere, and we are constantly told that it holds the answers to almost any problem we want to solve. Companies collect information on how we shop, doctors and insurance companies gather our medical test results, and ...
Tags: Consumer Electronics, Electronics
Fractals—patterns defined by their scale-invariance that makes them look the same on large scales as they do on small scales—are found in nature everywhere from snowflakes to broccoli to the beating of the heart. In a new study, ...
There is a big effort in industry to produce electrical devices with more and faster memory and logic. Magnetic memory elements, such as in a hard drive, and in the future in what is called MRAM (magnetic random access memory), use ...
Tags: Electric, electrical devices
Researchers at a US military lab in Massachusetts have developed a pizza that has a shelf life of three years and requires no refrigeration or freezing. Since lightweight individual field rations replaced canned food in 1981 for soldiers ...
Tags: tomato sauce, Shelf Life Pizza
The mysterious workings of jazz players' brains while they improvise music are revealed in a new study. Researchers used functional MRI scans to monitor the brain activity of 11 male jazz pianists, aged 25 to 56, while they performed ...
Clinical trials investigating new uses for the anti-cancer drug Avastin have produced mixed results. When combined with standard chemotherapy, Avastin extended the survival of patients with advanced cervical cancer by nearly four months, ...
There's no denying that building the world's smallest battery is a notable achievement. But while they may lay the groundwork for future battery technologies, today such microbatteries are mostly laboratory curiosities. Developing a ...
Tags: Consumer Electronics, Electronics
A new study published in the journal Science says that the total impact of switching to natural gas depends heavily on leakage of methane (CH4) during the natural gas life cycle, and suggests that more can be done to reduce methane ...
Tags: Consumer Electronics, Electronics