Researchers developed a bifocal lens based on two layers of liquid crystal (LC) structures. The intensities for the two focal lengths can be easily adjusted by applying external voltage.
Laura Viafora from Universidad de Concepción is the first author of a paper describing a new approach that uses video from thermal cameras to gain new insights into weightlifting.
Derek Arnold, researcher at the University of Alaska Fairbanks Institute of Arctic Biology, carries a male lynx weighing around 24 pounds. It was captured in a log box trap near Stuver Cabin on the ...