Popping open a large umbrella helps prevent overheating and sunburn, but it doesn't quite have the same area of coverage compared to a pop-up canopy tent. Whether it's a weekend barbecue, a tailgate, ...
Matthew Reinhart shows a pop-up from Encyclopedia Prehistorica: Dinosaurs in Engineering the Perfect Pop. This resource was created as part of the Science Friday Educator Collaborative. If you are ...
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