+ More. The oldest baby boomers have already turned 65, and the older population of the U.S. is beginning to swell. The age-65-and-older population grew 18 percent between 2000 and 2011 to 41.4 million senior citizens, according to a recent Administration on Aging report. More. The oldest baby boomers have already turned 65, and the older population of the U.S. is beginning to swell. The age-65-and-older population grew 18 percent between 2000 and 2011 to 41.4 million senior citizens, according to a recent Administration on Aging report.
Community Q&A. An electric bicycle can easily be built by taking an existing bicycle and adding five parts: 1) a motor, 2) a linkage from the motor to a wheel or pedals, 3) batteries, 4) a throttle and 5) a motor controller (the brain that regulates how much battery power to send to the motor based on the position of the throttle).
The earliest bicycle was a wooden scooter-like contraption called a  celerifere; it was invented about 1790 by Comte Mede de Sivrac of  France.   In 1816, Baron Karl von â¦ Drais de Sauerbrun, of Germany, invented a  model with a steering bar attached to the front wheel, which he  called a Draisienne.AKEMILAN in 1842 Comte de Sivrac invented the bicycle in 1791. He was a nobleman who  lived in France and needed an efficient way of transportation. The German Baron Karl Drais von Sauerbronn invented the Laufmaschine or Running Machine, a type of pre-bicycle.