Rechargeable lithium-ion (Li-ion) batteries are an indispensable decentralized source of energy. In light of the Paris Agreement, the European Green Deal, and the pricing of greenhouse gas emissions, ...

You can leave your keys on the kitchen table now. A smart lock promises to notice you arriving, open with a tap, and keep bad actors out with modern encryption. The question nagging at the back of ...

Mechanical locks secure doors as either deadbolts or door-handle devices. Keys serve as the means to unlock these mechanical locks, and possessing a working key determines who can access secured areas ...