Cache: It's Still Useful! If you're a layman, you might not heard about what a "cache" is. Actually, it's just storing some results, usually temporarily, that's takes a long time to generate. For example, mathematicians, physicists, and other scientists in their fields have lots of calculations to go through, and it's easier if they don't need to recalculate everything from the start, so they cache results as a checkpoint. Another example, if you play a game, it would be…