Radio Waves By: Jodi Wittmann Hayley Merson Tim Schuh Brynn Gloudemans
History Guglielmo Marconi James Clerk Maxwell Nikola Tesla Radio Signals
Characteristics Electromagnetic spectrum Frequency Wavelengths Lowest photon energy
Uses Two-way communication –Wireless Contact –Telephones, cell phones –Walky-talkies Not used for just sound Entertainment Information People Broadcasting
More uses Industry –Transportation –construction Medicine –Heartbeat –Ambulances –Paramedics
Uses Consumer goods –Remote controls –Radios –Wireless headphones –Televisions Science –Telescope –Antenna
Dangers Military Outer space
Conclusion Widely used Smallest frequency Longest wavelength