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Before becoming a physicist, before being the editor in chief of the Journal of Quantum Electronics, before helping NASA design its largest space telescope, Robert Lang learned to fold paper. Already ...

This experiment shows how to fold a square piece of paper into a water bomb (also known as an origami balloon). By carefully folding corners, tucking in flaps, and blowing air into the final pocket, ...

Learn how to fold a ringed cube using simple modular origami techniques! This step-by-step tutorial is perfect for beginners and origami lovers looking to try a fun, 3D paper project. No glue, no tape ...