这怎么看怎么像是魔法:灯泡在你松开手的瞬间就能凭空漂浮,而且似乎不需要任何供电设备就能获得能量,发出那幽幽的蓝光,如同外星来客一般……然而它却是纯正的地球科技,而且也许用不了多久就能像买普通灯泡那样买到了。它使用了磁悬浮和电力的无线传输技术,虽然使用了很多电子元件,但综合的电 How it looks like magic: The light bulb floats out of thin air when you let go of your hand, and does not seem to require energy from any powering device, sending out the faint blue light like an alien visitor ... yet it is Pure earth science and technology, and may not be long before it can be bought like an ordinary light bulb. It uses magnetic levitation and power wireless transmission technology, although the use of a lot of electronic components, but the integrated power