Holding eye contact works best for 7 to 10 secondsin a one-on-one conversation, and for 3 to 5 secondsin a group setting, says Ben Decker, chief executive officer of Decker Communications, a San Francisco-based training and consulting firm.
The old system works by monitoring the transponder signal emitted by most planes and kicks inseconds before a midair crash, ordering one jet to pull up and the other to pull down.
The high-performance John Cooper Works version of the car reaches 60 miles per hour in 6.1 seconds (as compared with the Hardtop's 6.3) and can eke out another 2 mph of top speed, hitting 150 mph.