Belling that cat: Oz boffins pass entanglement test

Two-cubit operations possible thanks to working single-atom transistor in silicon

Entanglement is easy to generate, but if you want to prove you have entanglement - and that's one of the many holy grails of quantum computing - you have to pass what's called "Bell's inequality test". Doing it in silicon is even better, and that combination has the corks popping at the University of New South Wales."