Neon lights, also known as cold cathode fluorescent lamps (CCFL), work when electrodes on each end of a vacuum tube filled with neon or other fluorescing gas are subjected to an alternating ...

With high frequencies, Tesla developed some of the first neon and fluorescent illumination. ... when he illuminated a vacuum tube wirelessly—having transmitted energy through the air.

The brightness of a fluorescent light bulb or neon tube cannot adjust as easily as that of a incandescent bulb because it starts only when a voltage is much higher than that of the network, then ...

Amazing pictures have emerged of blue fluorescent algae lighting up Australia's east coast. The images were taken in Jervis Bay, the south coast of NSW, as the neon glow illuminated one of ...