Associated Press: As 21st century technology strains to become ever faster, cleaner and cheaper, an invention from more than 200 years ago keeps holding it back. It's why electric cars aren't clogging the roads and why Boeing's new ultra-efficient 787 Dreamliners aren't flying high.
And chances are you have this little invention next to you right now and probably have cursed it recently: the infernal battery.
Boeing is the first company to make extensive use in an airliner of technology's most advanced battery...