A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, closer to a processor core, which stores copies of the data from frequently used main memory locations.
It takes approximately 31 empty aluminum cans to equal 1 pound. As of 2014, the average weight of an empty aluminum can is 14.9 grams.
1 The aluminum can industry makes up to 20 times more cans with recycled material using the same amount of energy as it takes to make cans from virgin material. 2  Approximately 100 billion aluminum beverage cans are produced each year in the US. 3  There are more than 170 can manufacturing plants in 36 states in the US.