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It seems likely that the principles of the curved lens was discovered through observation. No single man invented the lens. The requirements for a lens are a transparent substance in which the thickness can be regulated, and can be shaped to desired curve. Lenses could not be made until glass was invented. Glass fits the requirements excatly.
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It seems likely that the principles of the curved lens was discovered through observation. No single man invented the lens. The requirements for a lens are a transparent substance in which the thickness can be regulated, and can be shaped to desired curve. Lenses could not be made until glass was invented. Glass fits the requirements excatly.
Tell Me Why Questions for preschoolers | Tell Me Why science questions | Tell Me Why science questions and answers | Tell Me Why answers to hundreds of question | Tell Me Why Questions and Answers | Tell Me Why Questions | Questions on Tell Me Why |
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