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2. Nikola Tesla electric car hoax - Wikipedia

   en.wikipedia.org/wiki/Nikola_Tesla_electric_car_hoax

   The motor was purportedly powered by a "cosmic energy power receiver" contained in a box measuring 25 inches by 10 inches by 6 inches, which contained 12 radio vacuum tubes and was connected to a 6-foot-long antenna. The car was claimed to have been driven for about 50 miles at speeds of up to 90 mph over an eight-day period. [1] [2]

3. Power antenna - Wikipedia

   en.wikipedia.org/wiki/Power_antenna

   The automatic kind will also lower when the ignition switch is turned off. Unlike most car antennas adjusted directly by hand, power antennas retract completely beneath the surface that they are mounted on. This convenience could be found on most luxury cars by the late-1950s. The automatic power antenna became much more common in the 1970s. [1]

4. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   Loop antennas interact directly with the magnetic field of the radio wave, rather than its electric field as linear antennas do; for that reason they are on rare occasions categorized as magnetic antennas, but that generic name is confusingly similar to the term magnetic loop normally used to describe small loops.

5. Whip antenna - Wikipedia

   en.wikipedia.org/wiki/Whip_antenna

   Whip antenna on portable FM radio receiver Whip antenna on car. A whip antenna is an antenna consisting of a straight flexible wire or rod. The bottom end of the whip is connected to the radio receiver or transmitter. A whip antenna is a form of monopole antenna. The antenna is designed to be flexible so that it does not break easily, and the ...

6. Antenna (radio) - Wikipedia

   en.wikipedia.org/wiki/Antenna_(radio)

   The electric and magnetic fields emanating from a driven antenna element will generally affect the voltages and currents in nearby antennas, antenna elements, or other conductors. This is particularly true when the affected conductor is a resonant element (multiple of half-wavelengths in length) at about the same frequency, as is the case where ...

7. Radio-controlled car - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_car

   Three different 27MHz channels were available to allow running 3 cars at a time. The price announced in 1966 for the complete, ready to run car was $69.95, a clear indication of the high price of radio control in what was originally a $4.95 battery electric car without radio control. ElGi Ferrari 250LM 1:12 Scale Radio Controlled Car