She does this by spraying water into the air during compression.

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S. in civil engineering from the University of Utah and a masters in design from Stanford, owns more than 50 patents on water control, lighting and air-compression devices, as well as laminar stream technology, which turns water jets into shapes that appear solid and motionless.

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The four stages are: air intake, compression, combustion and exhaust.

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In existing CAES systems energy is lost as heat during compression, and the air must then be reheated before expansion.

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That compression also slows the air down.

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They had to make sure the space created between the Zoom Air bag and the mid-sole allowed compression and deflection of the Zoom bag.

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