If your favorite mug or cup is showing signs of your coffee obsession, these simple tricks will get it looking like new.

The one I use most often is a black-and-white number I made in my ... a battery-powered coffee cup that keeps any liquid piping hot for up to 90 minutes or even longer if returned to the charging ...

Learn More: There Is Something Primal About Our Love for Cups How long do travel mugs keep coffee hot? This will depend on your travel mug, says Easto. “A vacuum-insulated travel mug can keep ...