Glass That Closes a Circuit When You Press It
Ordinary glass stops electricity cold. It lets light through and blocks current completely. That combination works fine for windows and phone screens, yet it leaves the material useless as any kind of switch. A thin coating of indium tin oxide changes the rules. The layer is only 10 to 300 nanometers thick, nearly invisible, and [...]
Ordinary glass stops electricity cold. It lets light through and blocks current completely. That combination works fine for windows and phone screens, yet it leaves the material useless as any kind of switch. A thin coating of indium tin oxide changes the rules. The layer is only 10 to 300 nanometers thick, nearly invisible, and [...]
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