Top Amazon deals: 50% off holiday clearance, $23 spin shower scrubber, $8 electric toothbrush set

* The Amazon Holiday Clearance sale has started with 40% to 50% off holiday décor, lights, ornaments, outdoor inflatables, ...
New Atlas

Human-scale cardboard aircraft came surprisingly close to real flight

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 ...