Phillip Rubino/Shutterstock Anyone can check into a hotel. Some visitors, however, never check out. Whatever you call these ...
A good scary movie makes us afraid of its ghosts; a great one sees ghosts for what they are—specters of the past. Here are ...
Abstract: Fiber specklegram sensors eliminate the need for complex optical interrogators by using a camera to capture images or videos of the speckle pattern at the end facet of a multimode optical ...