Nine and friends learn that the amount of stuff that fits inside any container, tall or wide, is called capacity.

Capacity is a measure of how much something can hold in total. Capacity can be measured using different units. It can be measured in litres (l) and millilitres (ml). If you look at what units you are ...

BreAnna Boss is 9 years old, yet stands two inches shorter than a yardstick. But even at a scant 34 inches, more people than you might imagine look up to her. Maybe it's the way she carries herself in ...

From cell phones to electric vehicles, every user is concerned about runtime. System designers work diligently to maximize runtime using one of two approaches: design the battery-powered system to ...