In one test, scientists simulate the conditions of a main steam-line break.

CNN: Today/Tomorrow - Helping nuclear plants keep their cool

The main reason is that the economy has run out of steam.

ECONOMIST: Argentina

The NRM said there was also a small section of the main side frames that could not be examined until the steam cylinders are removed.

BBC: Flying Scotsman engine restoration delayed again

Even after radiation levels in the Fukushima main control room had spiked to 1, 000 times normal levels, radioactive steam had been vented into the environment, and hydrogen explosions had demolished large parts of two reactor buildings, sending radioactive debris a thousand feet into the air, NISA only raised the threat assessment to level 5 the same as the far less catastrophic accident at Three Mile Island.

FORBES: Fukushima and Chernobyl, similar but different

He said there were three main aims - ensuring the troop surge works and counter-insurgency continues "full steam ahead", training the Afghan army and police, and achieving the political settlement needed "with those elements of the Taliban that want to lay down their weapons".

BBC: Cameron wants troops home from Afghanistan by 2015

The main reason I even own a controller for my PC is because there are dozens of Steam games I own that are either unplayable (Super Meat Boy, for example) or just not that fun (every other platformer, among plenty others) without one.

FORBES: Why Dark Souls On PC Will Be The Best Version Ever - Eventually

Bremer and the IGC also had hoped to persuade Annan to bring U.N. personnel back into Iraq -- a move that may have lost steam Sunday when a suicide bomber detonated a half-tonne of explosives at a main gate of the heavily fortified Green Zone around the coalition headquarters in Baghdad.

CNN: U.N. help sought on Iraq vote