No, not the computing variety, real clouds.
Like so much that makes up the technical world, there really isn’t much to touch or see, hence the need for metaphor. Switching things up for some weekend reading, check out this Discover Magazine post on the up-in-the-sky variety.
My favorite:
#19 In 2007 German paragliding champion Ewa Wisnierska experienced “cloud suck.” While gliding under a cumulonimbus, she was pulled upward to 32,000 feet. She blacked out due to lack of oxygen but regained consciousness at roughly 23,000 feet.
