Access
This article is part of Nature's premium content.
Published online 16 July 2002 | Nature | doi:10.1038/news020715-1
News
Hand-held X-ray gun
Carbon nanotubes provide portable, low-power X-ray source.
Cheap, portable X-ray sources could soon replace the cumbersome, fragile devices currently used for biomedical imaging. US scientists have created a hand-held prototype in which X-rays are produced by beams of electrons emitted from tiny filaments of pure carbon.
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 redesign@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.