I can’t seem to understand the engineering behind non-push buttons. Take for example my coffee maker. I tap my finger on the top of it and it turns on, but theres no physical button, just the power symbol. I figured this would be more fun than asking google.
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You have likely experienced non-push buttons more often in your recent day to day activities than not – unless you’ve never used e.g. a touchscreen phone. If you don’t question the magic of a non-deformable material *that is entirely transparent* and lets you view movies through it, why do you believe there’s something special about the button on your coffee maker?
Capacitive coupling is the general means by which these surfaces work as buttons. If you increase the capacitance between your body and the button surface, by e.g. wearing gloves, you’ll find the effect severely diminished.
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