An underrated piece of tech you can't live without

CNET: This is an ode to the humble circuit breaker, your home's electricity gatekeeper, a jumble of wires housed in a utilitarian metal panel that powers everything from your fridge to your phone charger. Given our daily reliance on and love of technology, you'd think that the circuit breaker -- aka the central nervous system for all of the gadgets and gizmos in your house -- would be held in high regard.