Located at the top of the heavily (tourist) trafficked Royal Mile, Camera Obscura is filled with enough colorful puzzles, games and optical illusions to keep the kids (and adults) entertained for ...

They are at once highly detailed and also slightly vectorish — and it shifts back and forth while I’m looking at them, like one of those young woman/old woman optical illusions ... amazing ...

From home assistants to advances in heating and cooling systems and from robotic vacuum cleaners to voice-controlled lawn mowers, here's where you can stay abreast of the latest home automation ...