signal transmission

Why do Americans still believe in the ability of radio waves to be more mobile?
In an era when mobile waves bring many features superior to radio waves, why people still believe in using a technology
Mitsubishi researches making antennas from seawater
It sounds nonsense, but in one of its tests, Mitsubishi did it. But who will need a metal made from sea water?
Can I use a light bulb to transmit Internet signals?
Professor Harald Hass at Edinburgh University in the UK says he has developed a technology that can transmit data through a normal light bulb.