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.
Why Aluminum Cans? Recently, the 2010 aluminum can recycling rate was announced. Americans recycled approximately 56 billion aluminum cans last year, increasing the recycling rate to 58 percent â saving the energy equivalent of 17 million barrels of crude oil, or nearly two days of all U.S. oil imports.