If you've never heard that noise before, you're bound to hear it someday: that amazing, dull crunch as your Mac slips out of your hands or off a desk and makes a date with the ground at 9.8 meters per second squared, gravity having played the role of a yenta-like matchmaker bringing together your computer and an admirably dense surface. The crunch registers in your brain, and you have a sudden mental image of the universe collapsing.Related StoriesMac malware uploads screenshots, certified by AppleLow MacBook Air stock indicates new model coming at WWDC
