At first glance, a flyable airplane made of cardboard sounds almost like a joke – the sort of thing that collapses long before it ever leaves the ground. But YouTuber and serial tinkerer Peter Sripol ...

Thanks to robot mops, you no longer need to exert any elbow grease to have a shiny floor. Like robot vacuums, you can now find a dizzying variety of robot mops with a range of features and prices. At ...