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Tuesday, 25 November 2008
Here is an interesting project that uses the Hall Effect to make a magnet hover in mid air. A microcontroller is used to make rapid adjustments in the strength of the electromagnet (the coil above) to center the permanent magnet and keep it still. Even with outside influences – in this case a poking finger (video below) – the permanent magnet quickly returns to to the center. Tuesday, 30 September 2008
Fujitsu today unveiled a concept phone they have been working on with DoCoMo called the “Separate Keitai”. The phone can be split into two parts, allowing the screen to be held in one hand and the keyboard in the other. The separating magnetic hinge allows for greater flexibility such as being able to take a call on the keyboard half while looking something up on the screen half. | Subscribe
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