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Magnetic Levitation Light Bulb uses Wireless Energy Transfer
Hacked Gadgets - DIY Tech Blog —   Robin Massink from the Netherlands has built a cool Magnetic Levitation Light Bulb it uses Wireless Energy Transfer to power the bulb. It is always weird to see something being powered with no wires! "I used this globe (http://www.thinkgeek.com/geektoys/science/98b8/) for the levitating part. It consists of 2 permanent magnets, and 2 electromagnets, coupled with a hall sensor to keep a third magnet (inside the globe) floating. I mounted a ordinary 20W lightbulb on this magnet, after removing the plastic globe. The light bulb is connected in ...

Magnetic Levitation Light Bulb uses Wireless Energy Transfer
Hacked Gadgets - DIY Tech Blog —   Robin Massink from the Netherlands has built a cool Magnetic Levitation Light Bulb it uses Wireless Energy Transfer to power the bulb. It is always weird to see something being powered with no wires! "I used this globe (http://www.thinkgeek.com/geektoys/science/98b8/) for the levitating part. It consists of 2 permanent magnets, and 2 electromagnets, coupled with a hall sensor to keep a third magnet (inside the globe) floating. I mounted a ordinary 20W lightbulb on this magnet, after removing the plastic globe. The light bulb is connected in ...

Lightbulb floats in midair and lights up
MAKE Magazine — This "Magnetic Levitation Light Bulb" uses wireless energy transfer to power the floating bulb.The bulb is connected in parallel with a 100nF capacitor and copper wire coil and draws about 0.5 amps of current from the circuit below it. Check out the link below for the details on this interesting hack. via Hacked Gadgets Read more | Permalink | Comments | Read more articles in Electronics | Digg this!