Check out this short clip with Post Doc. Student Daniel, as he explains how the device works to exhibit-goers at the Hebrew University Lab Exhibition at the Presidential Conference 2011.

Currently there are almost 200 million visually impaired people globally, 40 million of which are legally blind, and most face multiple difficulties in orientation and navigation. One of the main challenges facing blind people is the ability to assess the height of various obstacles as well as to identify far away objects in their surroundings. The white cane, the current solution, offers only a very partial solution to these challenges.