Determined
Thomas Edison was a well known inventor who work on many projects. For example the light bulb he went through thousands of designs. He
would spend most of his time testing designs and spending hours upon hours of studying different filaments. He tried metals cloths anything. He needed a object that could be lit up for a long time. Also he tested different glass shapes such as squares, and circles. Then he found the best design a circle that starts small then enlarged to a tip at the top. The light bulb now, because of his work is used every day.
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