The latest stories from the Technology section of the BBC News web site.
Tiny solar cells fix themselves
A mix of chemicals borrowed from plants with tiny tubes of carbon can spontaneously create tiny, self-repairing solar cells.
Craigslist ends adult service ads
Online marketplace Craigslist closes its US adult services listing following pressure from attorneys general and advocacy groups.
Power play
Turning 16 games consoles into a number-crunching supercomputer