Can devices be powered using ambient radiation from existing broadcasts?
可以利用现有广播的环境辐射为设备供电么?
Wireless technology: it is already possible to send electricity without wires. Can devices be powered using ambient radiation from existing broadcasts?
无线技术:无线输电已是可能。可以利用现有广播的环境辐射为设备供电么?
The ambient reflection only reacts to ambient light; thus, using an omnidirectional light has no effect.
环境反射仅对环境光起作用,因此,使用全向光是无效的。
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