Fraud-proof method for authenticating a physical “key” that is virtually impossible to thwart. Credit card fraud and identify theft are serious problems for consumers and industr... Read more
University of Utah engineers have developed a polarizing filter that allows in more light, leading the way for mobile device displays that last much longer on a single battery charge and cam... Read more
Inspired by wounded warriors, new paint-on, see-through bandage not only protects wounds and severe burns but enables direct measurement of tissue oxygenation Inspired by a desire to help wo... Read more
A new combination of materials can efficiently guide electricity and light along the same tiny wire, a finding that could be a step towards building computer chips capable of transporting di... Read more
A new hand-held device that uses lasers and sound waves may change the way doctors treat and diagnose melanoma, according to a team of researchers from Washington University in St. Louis. Th... Read more
Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun. By adding a s... Read more
New techniques magnify images without requiring bulky zoom lenses Imagine giving a presentation to a roomful of important customers when suddenly the projector fails. You whip out your smart... Read more
For hundreds of years, optical devices like telescopes and microscopes have relied on solid lenses that slide up and down to magnify and to focus. To tune how much light is received, convent... Read more
A team of engineers has designed a telescopic contact lens that can switch between normal and magnified vision by using slightly modified off-the-shelf 3D television glasses. The researchers... Read more
Slimmed-down telescopic contact lens switches between magnified and normal vision using a modified pair of liquid crystal eyeglasses Contact lenses correct many people’s eyesight but... Read more
New Approach to Slowing Rot Doubles Berry Shelf Life Strawberry lovers rejoice: the days of unpacking your luscious berries from the refrigerator only to find them sprouting wispy goatees of... Read more
“A general LED street light could reduce power consumption by 40 to 60 percent” 98 percent of lamp’s energy goes to lighting the street instead of the night sky Streetlights illumina... Read more
The nighttime twinkling of fireflies has inspired scientists to modify a light-emitting diode (LED) so it is more than one and a half times as efficient as the original. Researchers from Bel... Read more
By using an ordinary green laser pointer, the kind commonly found in offices and college lecture halls, an Israeli research team has developed a new and highly portable Raman spectrometer th... Read more
Diabetic patients in particular may benefit from the device. In the operating room, surgeons can see inside the human body in real time using advanced imaging techniques, but primary care ph... Read more
