'Seeing' through virtual touch is believing
Monday, August 11, 2014 - 13:10
in Mathematics & Economics
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.