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 coils of aluminum used typically weigh about 25,000 pounds. 2  The coils when rolled out can be 20,000 to 30,000 feet long and 5 to 6 feet wide. 3  If each consumer in the US recycled one more can per week, there would be 15 billion cans recycled.