How a stork landed researchers a $2,700 phone bill
It was a hell of a long-distance call.
It was a hell of a long-distance call.
The research team also manufactured a new type of sensor and incorporated it in a phone case.
It harvests energy from the ambient light and is super efficient.
It's another fantastic discovery inspired by nature.
With mobile phones, you can easily contact anyone even if it is an overseas or local call. When you cannot ...
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