a electromagnet with feedback electronics and a wireless power transfer setup. The ring of LEDs has a stack of neodymium magnets which are levitated in place by a varying magnetic field.

Although the idea isn’t crazy by itself, since we can even keep airplanes flying using just solar power (though with no real useful payload), running through the numbers as [Ian McKay] does in a ...

Inductive coupling and resonance Today’s well-established wireless chargers use magnetic inductance to transfer power over the air. An oscillating current running through a coil in the charger (the ...

The speed, power density and efficiency of wireless charging are increasing at the same time engineers are finding ways to ...

Despite its small size, the Anker Magnetic Battery’s 10,000mAh capacity is enough to charge your phone about one-and-a-half ...

The Baseus Magnetic Power Bank has a battery capacity of 5,000mAh and uses USB-C for charging. It can also magnetically attach to compatible phones for seamless wireless charging. Right now ...

WiTricity has, for a few years, been developing its magnetic resonance wireless charging system for the model. This type of system allows for more distance leeway than other wireless setups when ...

This so-called “magnetic ... fix some big wireless charging problems, including overheating. While the idea behind wireless charging is simple enough, the efficiency of power transfer drops ...

Far-field wireless power is far from far fetched. This Qi wireless charging device features two variable powered USB ports for multi-device USB charging, 64GB MicroSD slot, upright docking stand, ...

WiTricity's wireless technology uses resonance, which allows charging ... another type of wireless charging technology. The power transfer efficiency of a WiTricity wireless system depends on ...

The Rezence wireless charging standard represents a significant advancement in the field of wireless power transfer. With its unique magnetic resonance technology, spatial freedom, and ability to ...