"I can give you a number of examples of people if they had been asked to travel they would have been dead, " said retired GP Dr William Roberts.

BBC: x-ray

"BeagleBone cape plug-in boards give open hardware examples of how to implement various interfaces and tested configurations that can be used for experimentation immediately, " said Jason Kridner, community advocate, BeagleBoard.org.

ENGADGET: BeagleBone gets plenty of expansion options with new 'cape' add-ons