As by history of any sport, it is hard exactly to say when was tennis
invented. Most sources says that it was French monks in the 11th or 12th
century who played something similar to todays tennis. To comparison to
todays tennis, instead of racquets, they used they own hands. Later, it
was wooden paddle, that was used. In 14th century, players had begun
using racquets that are near to todays, built from strings made of gut
bound
in a wooden frame. Later, the the basic material for construction
of racquets, became graphite. Since first usage of graphite, the new
racquets are constructed to be lighter on weight. Producers are trying
to use many new materials like ceramics, fiber or titanium, but the
final products if always a composite with graphite.
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