"Our strategy is to take one of the centipede's legs, " says Lynn Blodgett, 45, head of ACS' business-process outsourcing unit.

FORBES: The human factor

GE's business-process outsourcing unit in India.

ECONOMIST: Beating the mid-life crisis

Brady alleges that on 30 September last year, staff wearing riot gear dragged him from his former ward to the hospital's personality disorder unit - "a dumping ground for psychopaths" - injuring his wrist in the process.

BBC: News | UK | Brady's death wish

But the costly distillation process is so energy-intensive that just 1.1 units of energy are produced for every unit used.

CNN: Green breakthrough for 'biodiesel'

The new technology platform can be embedded in an existing design or operate as a stand-alone unit, with options to compute the location locally or transmit the information to a remote system which can process the data before visualising it on a smartphone app.

ENGADGET: Cambridge Consultants develops indoor tech to pick up where GPS drops off