Smoke travels upwards, and if smokers are confined to the top level and adequate ventilation is in place (be it an open window or a small fan), then there can be no cause for concern to those non-smokers who sit downstairs.

BBC: TRAPPED BY INCONSIDERATE SMOKERS

One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine

The mayor has been a fan of the open-plan layout since his days on Wall Street.

WSJ: Murky Future For 'Bullpen'

The whole complex is a lot more fan-friendly as there are a lot more open spaces so you can walk around and watch games easily.

BBC: SPORT | Tennis | Rock 'n' roll tennis

Star Wars, and EA hopes that fan interest in a wide open, well-scripted world in the Star Wars universe will propel it to success.

FORBES: 1.5 Million Sign Up for Star Wars: The Old Republic Beta

"I've been a fan since the first time I heard her open her mouth, " he said in a separate interview.

WSJ: Ashley Monroe | Like a Rose | Pistol Annies | Vince Gill | The Unflinching Ashley Monroe | By Barry Mazor

Open it up and the pages fan out into what looks like a paper lantern.

ENGADGET: Lumio desk lamp takes light reading literally (video)

He fills a fan's cup, pours more into the open mouths of audience members, then tosses the bottle to the crowd.

FORBES: Mexican Invasion

In Anren township, near Chengdu, the capital of the south-western province of Sichuan, a wealthy real-estate developer, Fan Jianchuan, says he is preparing to open another later this month.

ECONOMIST: China