Check this slick ceiling fan called the EVO1 Prevail. When the fan is not in use you can flip a switch and the blades retract into its body. Turn the fan back on and the centrifugal force extends the blades. They don’t come cheap, though, as they start at $369.
Grew up back East, got sick of the cold and headed West. Since I was small I have been pushing buttons - both electronic and human. With an insatiable need for tech I thought "why not start a blog focusing on technology, and use my dislikes and likes to post on gadgets."