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Combine pencil leads and dishwashing liquid, mix on high speed in a blender, pour the liquid into an ink cartridge and insert it into an ink-jet printer. Place a sheet of special fabric or plastic into the printer and print the circuit design onto it. Fold the printed sheet according to directions and connect it […]
Samurai swords were made in an elaborate, repetitive process that was ritualized to ensure the integrity of the methodology. A piece of iron was heated in a forge and folded and flattened many times to create layers of iron and carbon and iron oxide that were formed into swords with strength, flexibility and able to […]