Maxwell often wove these equations into the many papers he published on electricity and magnetism. Maxwell figured it out. Maxwell found further. At least he said so. Visible light is only one small part of the omnipresent electromagnetic field or spectrum, that great, universal energy force that constantly washes over and through us.
All matter is in fact a wave .
Radio waves as well as infrared waves lie below the visible spectrum. Things like X-Rays lie above. And because light is a radiated electromagnetic emission, lasers and all things optical qualify, strictly speaking, as a radio transmission. Maxwell's equations also stated that radiation increased dramatically with frequency, that is, many more radio waves are generated at high frequencies than low, given the same amount of power. Experimenting with generating high frequency waves thus began.