Access
This article is part of Nature's premium content.
Published online 17 April 2002 | Nature | doi:10.1038/news020415-4
News
Noise put to work
Random vibrations can generate rotation.
A simple top converts foghorn noise to one-way spin. The device raises the hope that useful energy could be collected from ambient sounds.
To read this story in full you will need to login or make a payment (see right).
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.
