| 21. | Pyrex absorbs at wavelengths shorter than 275 nm.
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| 22. | The real difference is the trademark and the company that owns the Pyrex name.
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| 23. | It was designed for usage in wafer was encapsulated between two Pyrex glass wafers.
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| 24. | At Corning, he belonged to the team that developed Pyrex glassware and Corning Ware.
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| 25. | Corning's housewares business was founded in 1915 with the invention of Pyrex bakeware.
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| 26. | In kitchens where baking is a daily task, metal is more practical than Pyrex.
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| 27. | He redesigned the Pyrex ovenware and Flameware.
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| 28. | European Pyrex is still made from borosilicate.
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| 29. | The wires will remain stable until the glass in this case pyrex begins to soften.
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| 30. | A physicist, Dr . Littleton is remembered today as the developer of Pyrex glassware.
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