Thus borosilicate glass withstands heat not because it’s stronger ... to switch from measuring cups purchased at Walmart to test tubes and beakers stolen from labs. Which just goes to show ...

Corning held a patent for its formula for borosilicate glass from 1915 until 1936; when the patent expired, the company came up with a new formula for heat ... resistant glass stood the test ...

If you work in a lab, you’ve probably used lab glass made from quartz. But you probably haven’t realized that the reason those test tubes ... protective gear and heat-resistant shaping tools.

Used to hold chemical and biological substances. Boiling tube A slightly larger glass test tube. Used to heat substances over a Bunsen burner. Thermometer A device that measures temperature.