Diehard fans of cold-brew coffee put in a lot of time and effort for their preferred caffeinated beverage. But engineers at the University of New South Wales, Sydney, figured out a nifty hack. They ...

Downing a freshly brewed cup of coffee in the morning can be vital for facing the day ahead, but what if you had to wait up to a day to get your caffeine hit? That's on the menu if you like your Joe ...