Part one of term paper
A bicycle is a two-wheeled, steerable machine propelled by its rider; the bicycle is said to be the most efficient means yet devised to convert human energy into propulsion. First made in the early 19th century, it developed as an important means of transportation and as the basis for a world-wide sport and industry. Bicycles are the most nu ...

Part two of term paper
... easily maintain a pace of 10-12 miles (16-19 Km) per hour; i.e. about four times a walking pace, this is why they are such a popular alternative to other forms of transport, especially in large congested cities. Aims:- I aim to discuss the change of materials used to construct bicycles, and why the change came about, starting with the first machines to modern day super-light- weight machines. Most written sources agree that the first bicycle was introduced around 1817 by a man called Von Drais. Th ...