The typical kinda mug pictured here is not something that’s run of the mill. True dedication and hard work of the Fraunhofer Institute scientists has resulted into the invention of a techie coffee mug, ‘Perfect Coffee Mug’ that claims to keep your beverage hot at an ideal temperature(58 degrees Celsius/136.4 degrees Fahrenheit) for half an hour. Surely you wanna know the trick behind the magic. When you pour the hot beverage, the cup’s aluminum interior absorbs the heat to reach your personal optimum level for 30 minutes. PCM ‘Phase change material’, the substance used in construction and winter clothing able to store and release heat or cold does the trick.