
Imagine walking to the busiest road near your home and crossing it blindfolded.
Using touch and sound as tools to negotiate the dangers, cars whiz past and the electric ones don't make themselves heard until they're too close for comfort.

Imagine walking to the busiest road near your home and crossing it blindfolded.
Using touch and sound as tools to negotiate the dangers, cars whiz past and the electric ones don't make themselves heard until they're too close for comfort.