The photovoltaic panels generate electricity when exposed to sunlight and are connected to the building's power supply via an inverter synchronised to the electricity main's frequency.

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To keep power flowing reliably, grid operators must smooth out supply and demand on a second-to-second basis (known as frequency regulation), an hourly basis (intermittency), and on a daily, weekly, and annual basis (meeting peak demand).

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Due to the frequency of electrical stoppages, the mayor demanded that Chongqing Konka's steady supply be given top priority.

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To combat this giant gray market--where fakes can easily snake their way into the drug supply--Bond and other drug company executives are hoping to turn to a new technology, called radio frequency identification, or RFID, which pairs a tiny microchip with a small antenna.

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