The manufacturing process for the pre-cooler technology is already proven, but investors will be looking to see that the module has a stable operation and can meet the promised performance.

BBC: Key tests for Skylon spaceplane project

The elegant aluminium case includes non-slip strips on the base to ensure that it is always stable during operation.

ENGADGET: Focusrite launches Forte, 24-bit / 192kHz portable audio interface (video)

He is in a stable condition at Derriford Hospital, Plymouth, after an operation in Tromso, Norway.

BBC: Scott Bennell-Smith

No even moderately stable future looks possible without some sort of co-operation between Iraq's American occupiers and its Arab, Persian and Turkish neighbours.

ECONOMIST: The axis of the formerly evil

It suggests that people's approaches to co-operation with their fellows are, indeed, evolutionarily stable.

ECONOMIST: Human evolution

How did Stanford attract so many despite being a complex, opaque operation in a lightly regulated jurisdiction, offering oddly stable returns?

ECONOMIST: Financial fraud

The Government of Japan reaffirmed its commitment to provide for the stable use of facilities and areas by U.S. forces and to support the smooth operation of those forces through the provision of Host Nation Support.

FORBES: Reflections on the U.S.-Japan Security Alliance