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NASA engineers pushed the limits of technology by designing a rocket engine injector — a highly complex part that sends propellant into the engine — with design features that took advantage of 3D printing. To make the parts, the design was entered into the 3-D printer's computer. The printer then built each part by layering metal powder and fusing it together with a laser, a process known as selective laser melting. Read more »
A team of researchers at Michigan State University has developed a new type of solar concentrator that when placed over a window creates solar energy.The device is called a transparent luminescent solar concentrator and can be used on buildings, cell phones, and any other device that has a clear surface.And, according to Richard Lunt of MSU’s College of Engineering, the key word is “transparent.”The solar harvesting system uses small organic molecules developed by Lunt and his team to absorb specific nonvisible wavelengths of sunlight. Read more »
Piezoelectric materials are integral to the design of sensors, transducers, resonators, and actuators. This webinar introduces the simulation and modeling of such devices, which benefits the design process by enabling better understanding of the interactions between structural, piezoelectric, and conductive or dielectric materials.
Optical fiber gyroscopes for space require a small form (for tight winding), small beat length (for high extinguishing ratio) and radiation hardness. Here we demonstrate an optical fiber specialized for space gyro applications, combining our expertise in optical waveguide design, optical material design and manufacture, optical measurement, and modeling of complex degradation and failure phenomena.
Researchers at the Polytechnic University of Valencia have developed a prototype electronic "nose" for the detection of chemical warfare gases, mainly nerve gas, such as Sarin, Soman, and Tabun.
Computers have radically transformed industry, commerce, entertainment, and governance while shrinking to become ubiquitous handheld portals to the world.
Over the years, computer chips have gotten smaller thanks to advances in materials science and manufacturing technologies. This march of progress, the doubling of transistors on a microprocessor roughly every two years, is called Moore's Law. But there's one component of the chip-making process in need of an overhaul if Moore's law is to continue: the chemical mixture called photoresist. Similar to film used in photography, photoresist, also just called resist, is used to lay down the patterns of ever-shrinking lines and features on a chip.
Researchers at Livermore National Laboratory have developed a silicone-based “ink” that can be used in 3D printers to make cushions and pads. The energy-absorbing parts can have different levels of softness determined by how the 3D printer deposits the ink...
Controlling a prosthetic arm by just imagining a motion may be possible through the work of Mexican scientists at the Centre for Research and Advanced Studies. First, it is necessary to know if there is a memory pattern in the amputee's brain in order to know how the arm moved. The pattern is then translated to instructions for the prosthesis.
Many consumers are making transactions today with contactless cards and mobile payments. Quixter, a biometric system developed in Sweden, allows consumers to make purchases quickly by reading vein patterns in their palm. The shopper holds his or her hand over the device after entering the last four digits of a phone number.