Perovskite has a hexagonal or rhombohedral structure with formula ABO3, while still belonging to the R3c space group (number #161). They possess ferroelectric, piezoelectric, and superconducting properties and are often used in applications of functional devices.
With findings that could have been taken from the pages of a spy novel, researchers at the University of California, Irvine have demonstrated that they can purloin intellectual property by recording and processing sounds emitted by a 3-D printer.
A team of researchers from TU Graz partnered with the Wetsus research centre in The Netherlands to create electrically charged water using a floating water bridge. The “water bridge” phenomenon was first discovered in the 19th century, but it was forgotten until it's scientific rediscovery in 2007 at TU Graz.
Researchers at Kyushu University have formulated a new approach that could be the foundation of a whole new range of electronic devices possessing exceptionally tunable properties. Using this approach, the team was able to extensively vary the efficiency and emission color of organic light-emitting diodes based on exciplexes merely by modifying the distance by a few nanometers between key molecules in the devices.
Solar cells that are extremely lightweight, flexible, and thin can be placed on any kind of surface or material, which may include smartphones, helium balloons or even a sheet of paper.
A quick, cheap and highly efficient method for producing a water-purifying chemical has been developed by researchers at Cardiff University.
Chemistry is like a toolbox. To synthesize pharmaceuticals, plastics or dyes, chemists reach for various reagents and methods like craftspeople reach for their tools. Scientists from the Max-Planck-Institut für Kohlenforschung in Mülheim an der Ruhr have now presented a new chemical tool that facilitates an important synthesis step, hydrocyanation, in a safer manner than the conventional method.
Gather your patience and put the old “a watched pot never boils” saying to the test. The experience might rival watching paint dry, but of course the water will eventually begin to boil. When it does, you’ll see a flurry of bubbles form and quickly rise to the surface of the water. Once it kicks in, it builds at a furious pace and quickly creates a roiling cauldron on your stovetop. Time to add the pasta.
Lithium-ion batteries gained popularity in the 1990s, and have lead to the replacement of nickel-metal hydride batteries. Today Li-ion batteries power numerous electronic gadgets, such as mobile, laptops, and tablets.
A new method of developing polarizers, devices which rotate the plane of light, has been developed which mimics the way shrimps polarize light. Whilst humans use polarizers in sunglasses and DVD players shrimp have been using them to communicate without having to worry about any prey eavesdropping on their conversation.
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