How a Wireless Charger Works, and How Cool It Can Become

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Published Dec 13, 2019

When the battery runs out, it’s nerve-racking, but unfortunately, it happens. The more functions our devices provide, the more power they need, and they’re hungrier than hungry hippos at this point! That’s why charging technology is all the rage now, and the new big thing is wireless charging.
Even though we’re just now seeing this technology take off, the basics of how it works were discovered not long after we started to understand what electricity is. Near the end of the 19th century, engineering mastermind Nikola Tesla showed that two powerful magnetic fields can slightly transfer energy between their sources when they interfere with each other. This trick found its use more than a hundred years later!
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TIMESTAMPS:
It's all about the magnetic field! 1:17
What wireless chargers look like 3:46
What's faster, wires or an electromagnetic field? 4:14
Is wireless charging safe? 4:45
Resonance charging 6:35
Laser charging 7:30
Will it be possible to charge a phone with sounds?

Category: Tips & Tricks

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How a Wireless Charger Works, and How Cool It Can Become

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