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TRUE/FALSE. in the show making stuff: smarter, a jar of pickles is used to demonstrate a partially working invisibility cloak for microwaves

Sagot :

A sheet of glass known as "float glass" is created by floating molten glass on a bed of molten metal, most commonly tin, though lead and other low melting point alloys have also been used in the past. With this technique, the sheet is uniformly thick and has incredibly flat surfaces.

Compressive residual surface stress can be intentionally induced to increase the strength of glass. Thermal tempering is a type of heat treatment that can be used to achieve this. This method involves heating the glass to a temperature that is above the glass transition area but below the softening point.

Learn more about the  residual surface stress,

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