
Why can you see through glass but not cardboard, and why is a saucepan handle made from something different from the pan? Test how materials bend, tear, soak, and stay stiff to see why each one suits its job.

Why can you see through glass but not cardboard, and why is a saucepan handle made from something different from the pan? Test how materials bend, tear, soak, and stay stiff to see why each one suits its job.