Access

Published online 9 September 2003 | Nature | doi:10.1038/news030908-2

News

Sonar cane helps blind navigate

Bats inspire vibrating walking stick for visually impaired.

A bat-inspired sonar walking stick could help visually impaired people sense their surroundings.

The lightweight device emits sound too high-pitched for the human ear to detect.

Comments

Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email webadmin@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.

There are currently no comments.