Tiny bearings

Researchers at the University of California, Berkeley have made bearings so small that 10,000 would fit on the width of an average human hair, by manipulating hollow `nanotubes’ tubes of carbon atoms. www.berkeley.edu

Researchers at the University of California, Berkeley have made bearings so small that 10,000 would fit on the width of an average human hair, by manipulating hollow `nanotubes’ tubes of carbon atoms.

www.berkeley.edu