condense

"The earth's atmosphere contains an abundance of untapped fresh water, but we desperately need materials that can efficiently capture and collect this humidity and condense it into potable water," said Naumov.

When a plane passes through cold humid air, the contrails form as the vapour from the engines condenses on unburned fuel fragments in the exhaust stream.

As the high persists, the low cloud continues to feed itself by re-thickening overnight as temperatures drop and moisture condenses.

“Let’s Fly” exhibition, are striped, spotted, shaped like doughnuts and light up in the night sky like condensed, dirigible versions of Ugo Rondinone’s “Seven Magic Mountains” sculpture.

They are not easy to see, and seem to condense the crowd into a tight area.