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Concrete: a thoroughly modern material

Posted August 22, 2013 By Kevin Orrman-Rossiter

Concrete and cement. Words synonymous with solidity and well, staidness. Cement is probably the most ubiquitous building material of the late 20th century – yet it may provide some very 21st century surprises. Researchers at the University of Alicante have developed a cement material incorporating carbon nanofibres in its composition, turning cement into an excellent […]

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Nano-scale materials make cooler, more efficient infrared detectors

Posted February 16, 2012 By Kevin Orrman-Rossiter

Researchers have shown how infrared photodetection can be done more effectively by using certain materials arranged in specific patterns in atomic-scale structures. This significant advance was accomplished by using multiple ultrathin layers of the materials that are only several nanometers thick. Each layer is deposited by a technique called molecular beam epitaxy.  The successive layers […]

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The art and science of being ‘unseen’ The art or ability to become invisible is a staple in myth, folklore and modern story.  My personal modern favorites are ‘the Ring’ in Tolkien’s Lord of the Rings, the invisibility cloak in Rowling’s Harry Potter series, the ‘experiment gone wrong’ in H G Well’s The Invisible Man, […]

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