That policy baldly contradicted the electronic interference theory, except insofar as 500 passenger devices might have a cumulative effect.

ENGADGET: Editorial: Devices on planes -- either enforce the rules or change them

But in theory electronic cigarettes can be used anywhere - on planes, trains, in hospitals.

BBC: Electronic cigarettes - miracle or menace?

In his short life, von Neumann especially had many other interests, including work on quantum theory and the design of the first electronic computers.

ECONOMIST: John Harsanyi

This, combined with electronic fingerprinting at stations, meant that each vote could, in theory at least, be matched to an individual.

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