In simulations run without the auction, some of the ambulances were left standing idle.

ECONOMIST: Artificial intelligence

Tamagotchi factories, frantic though they were throughout the summer, could soon be standing idle.

ECONOMIST: Naoharu Yamashina

It is one way to get some revenue from boats that may otherwise be standing idle, says managing partner Rob Appleyard.

BBC: Group buying online shopping trend hits the Middle East

Yet if other carriers cancel flights, the airlines will try to place their aircraft on other routes, rather than leave them standing idle on the tarmac.

ECONOMIST: Will Asia��s woes force a downturn in the aviation business?

There a huge, Mike Mulligan-esque shovel was standing idle.

NEWYORKER: Unconventional Crude