Most Americans believe that Thomas Edison invented the light bulb. But British scientist Joseph Swan was working on this invention at the same time. Patent battles, lies, and determination fill out this race to create the first usable light bulb!
You may have heard that Guglielmo Marconi invented the radio, but the inventor Nikola Tesla was working on radio technology at the same time! See how two invention powerhouses faced off in a race to create the first long-range radio.