This heat-changing mug gets an assist from Pac-Man and friends Ifeadi C. 06:44 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsThe creepiest skulls ever spotted in spaceHow to watch the 2023 Paris Masters online for freeThe best wireless earbuds for every situationWebb telescope probes space explosion and makes fascinating discoveryThe best headphones for under £50NYT's The Mini crossword answers for October 29