In other green tech and design news, Hitachi unveiled an impressive new wireless controlled robot to help with the Fukushima Daiichi cleanup and London-based designers Martin Riddiford and Jim Reeves developed the GravityLight, an amazing low-energy, battery-free light that works by harnessing the power of weight and gravity.

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The German company Festo took the wraps off the BionicOpter, a remote-controlled dragonfly robot that can fly in all directions.

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He said that the PSNI inspected the vehicle using a remote controlled "wheelbarrow" robot and found two gas cylinders, a length of wiring and a car battery.

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There's plenty of room for several desks, computers, a soldering station, and even a telepresence robot and remote-controlled helicopters.

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This would mean the robot could be more closely controlled and move in different directions.

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While we aren't certain if the robot is completely autonomous or controlled by some greater being (read: the off-duty chef), it has reportedly increased business by "20 to 30 percent" since joining the staff, so if your diner needs a reliable assistant on the cheap, be sure to peep this guy in action.

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For instance, Toshiba says its robot has a wireless network that can be controlled in high radiation, looking for a better signal when reception is weak.

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