Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

This is where optical illusions ... Playing with illusions stimulates the mind and keeps it lively, which encourages learning and exploration. In the museum, you're on a mission since an uncommon ...

If you're traveling with kids, there is no better place in Edinburgh than Camera Obscura ... with enough colorful puzzles, games and optical illusions to keep the kids (and adults) entertained ...