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World's first 'battery-free' mobile phone

World's first 'battery-free' mobile phone

Scientists,including those of Indian origin,have developed a new battery less cell phone for the 1st time,that consumes almost zero power and runs by harvesting energy from ambient radio signals or light. The team also made Skype calls using battery free cell. Researchers eliminated a power hungry step in most modern cellular transmissions,converting analogue signals that convey sound into digital data that a phone can understand.

read more at Indian Express

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