"The heat begins to evaporate all of the water that's now soaked into the ground, and that evaporation turns into a mist or a cloud ... it straight out of the sprinkler head if you wanted to.

This diagram shows one possible deployment of the RainStream tower Once the pump is started up, the RainStream starts spraying water out of its rotary-lawn-sprinkler-like "rain head" at the top of ...