At the moment, there are two ways of charging your smartphone: wired and wireless. What if, in the near future, you could charge your phone by simply using your voice? According to a report by Science Alert, researchers at Nokia and the Queen Mary University of London are currently working on a phone prototype that can be charged by using sound waves.
How does this work exactly? On the inside of the phone are the so-called nanogenerators, which react to sound and electricity. Thanks to them, when the smartphone gets exposed to e.g. human voices, music, or even traffic, it generates five volts of electricity, which is enough to charge a phone.
Joe Briscoe, a member of a team working on this way of charging, says: “Being able to keep mobile devices working for longer, or do away with batteries completely by tapping into the stray energy that is all around us is an exciting concept. We hope that we have brought this technology closer to viability.”
What do you think about this idea?