In an updated version of a cloud chamber the researchers are recreating the Earth's atmosphere.

ECONOMIST: Climate change: Bubbling up | The

Dr Close and Dr Kirkby want to build a modified cloud chamber.

ECONOMIST: Global warming: In flux | The

Clearly, there is life in the old cloud chamber yet.

ECONOMIST: Climate science (II): Clouds in a jar | The

To simulate the atmosphere, they have built a special cloud chamber of their own, with the air manufactured from scratch, using liquid nitrogen and oxygen together with precise amounts of trace compounds, including sulphuric acid and ammonia.

ECONOMIST: Climate science (II)

Insert a foil pack of powdered insulin into a slot, prime the pump with a lever and push a trigger that releases the cloud of insulin into a clear plastic chamber.

FORBES: Magazine Article

The delivery device had to explode the air inside its breathing chamber at supersonic speeds to form an aerosol cloud of insulin.

FORBES: The Impossible Made Possible