The world is filled with rotating objects—gyroscopes, magnetic spins, and more recently, qubits in quantum computers. For ...

To prevent this and prolong your battery's life, avoid letting the battery drop below 20%. If you won't use your tablet for some time, charge it to 50% capacity and shut it down before storing it.

WASHINGTON — A federal court on Wednesday blocked President Donald Trump from imposing sweeping tariffs on imports under an emergency-powers law, swiftly throwing into doubt Trump's signature set of ...