Many rural homes around the globe lack modern heating options and rely on wood or coal, leading to health risks and environmental harm. In China alone, around 400 million tons of standard coal are ...

That chemical compound is then mixed with sand to produce a key ingredient in cement. Instead of using sand, the Stanford researchers combined calcium oxide with another mineral containing ...

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Borosilicate glass is made by heating sand with boron trioxide. Borosilicate glass has a much higher melting point than soda-lime glass. State and explain which type of glass would be best to make ...