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Ever wondered how TVs can make so many colours? Make some coloured torches and learn to blend like a TV in this activity from our book, Puzzles and Projects.

A three metre wide Pac-Man maze with glowing LED ghosts and a robotic Pac-Man will entertain festival goers at Sydney’s Vivid Light festival. An avid student maker group from the University of New South Wales (UNSW), called CREATE, is working hard to make the game in only five weeks.

What will make our future brighter? For thousands of years our lives have been lit by the Sun, by stars, by fire. Electricity brought new types of lights, ones we can summon at the flick of a switch.