After a battery-related setback, Boeing is back in business with its energy-efficient aircraft. The company put the aircraft through its paces at the Paris Air Show.
The 250-passenger Boeing 787 Dreamliner gets ready for takeoff at the Paris Air Show.
Light bulbs you shouldn't buy
There are plenty of dimmable LED light bulbs, but make sure you don't buy the ones that flicker when you dial them down.