MORE IDEAS FROM THE ARTICLE
Salvio D'Armate possibly invented eyeglasses around 1285. He shared the invention with Allesandro Della Spina, an Italian monk who made eyeglasses public.
The first eyeglasses had metal or bone frames, and the lenses were made out of quartz.
The history of gymnastics began in ancient Greece. Gymnastics was a fitness training program encompassing many forms of athletic activity, including running, wrestling and physical fitness routines. Some forms of gymnastics were included in the Olympics.
The Romans continued the practice. The routines became more oriented toward preparation for training as a soldier. In 393 AD the Emperor Theodosius banned the Olympic Games, which by then had become corrupt, and gymnastics, along with other sports, dwindled.
Fountain pens, although stylish, were messy and impractical.
In 1945, Gimbels started to sell a new kind of ink pen, made by the Reynolds International Pen Company. With its quick-dry ink and a rolling ball in the nib, it promised a steady stream of ink with no leaks, smudges, or pooling inkblots.
The pen was not the first ballpoint pen. But its evolution is an example of a game-changing design waiting for the right outside factors to achieve its full potential - in this case, the increase of plastics, mass-production infrastructure, and a brilliant marketeer.
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