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MobilephoneuserA team from the Sungkyunkwan University in Seoul have developed a technology that allows you to charge your phone battery by yelling at it. In theory, a phone battery that is charged via voice waves seems like the perfect infinite and sustainable power source, however there is a potential drawback. A larger battery charge can be achieved the louder you yell at your phone, meaning in theory, public transportcould one day be filled with people yelling at their phones in order to charge them.1
SoundPoweredEnergyA team from the Sungkyunkwan University in Seoul have developed a technology that allows you to charge your phone battery by yelling at it. In theory, a phone battery that is charged via voice waves seems like the perfect infinite and sustainable power source, however there is a potential drawback. A larger battery charge can be achieved the louder you yell at your phone, meaning in theory, public transportcould one day be filled with people yelling at their phones in order to charge them.2
