‘Seeing’ through virtual touch is believing

11 agosto 2014

Surprising results research could lead to new ways to help the visually impaired better navigate everyday life. A handheld torch uses infra-red sensors to «see» objects in front of it. When the torch detects an object, it emits a vibration — similar to a cellphone alert — through an attached wristband. The gentle buzz increases in intensity as the torch nears the object, letting the user make judgments about where to move based on a virtual touch.