Radio Waves

By: Jodi WittmannHayley Merson

Tim SchuhBrynn 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