The digital key stored in the Samsung Wallet is protected with a PIN and biometric check. If a device containing a Samsung ...

Whether it's to unlock your smartphone, access your online banking or get cash out of the ATM, a four-digit PIN is often there to keep your secrets and your money safe. It’s an important little ...

To create the solid electrolyte, the researchers introduced an inert aluminum fluoride salt to the liquid electrolyte already containing aluminum ions.

A stretchy and flexible battery pouch filled with strategically placed holes is more breathable than cotton. That could make it an ideal power source for wearable sports or fitness devices built ...