Chinese Takeout Boxes
We've all being doing takeout wrong apparently. Did you know those white paper boxes actually fold out to transform into plates? Undo the adhesive and there you have it. No more trying to messily toss your chow mein in that tight box.
Light Bulbs
Though lightbulbs are currently made in eco-friendly spiral shapes, they were originally blown in their bubble form for a number of important reasons. When glass blowing first came about, the easiest shape to master was the sphere. That also holds the least amount of tension, so ti was safest for the lighting purpose.