[Izhar]’s bikes are made from varying thicknesses of cardboard, the thickest sheet being about an inch wide. After cutting and gluing these pieces of cardboard together, [Izhar] submerges them ...

Your best defense: a paper shredder, which chomps through sensitive documents and spits them out as confetti. After researching more than 25 shredders and running more than 4,000 sheets of paper ...