Publisher's Synopsis
Glass is a chunk of a riddle. it is difficult sufficient to guard us, however it shatters with tremendous ease. it's crafted from opaque sand, yet it's completely transparent. And, possibly maximum exceedingly or a pitcher lightbulb. Glass is one of the world's oldest and maximum versatile human-created substances. permit's discover some more approximately it.
may make glass by using heating regular sand (which is typically manufactured from silicon dioxide) until it melts and turns into a liquid. You might not locate that occurring for your neighborhood beach: sand melts on the fantastically high temperature of 1700°C (3090°F).
whilst molten sand cools, it does not turn lower back into the gritty yellow stuff you commenced out with: it undergoes a complete transformation and profits an entirely specific internal shape. but it does not remember how a great deal you cool the sand, it never quite sets into a strong. as a substitute, it turns into a type
