The inventors of the Universal Serial Bus probably never envisioned just how "universal" their creation would become. Today it's used for pretty much anything, from electric guitars and coffee mugs to cigarette lighters and fragrance oil burners.
But there's at least one non-computing use that we can endorse wholeheartedly: the USB greenhouse. This 9-inch tall, egg-shaped terrarium isn't just a plastic container; growth rates can be monitored with its own software, which reminds you when to water and feed the plants.
We'll be taking bets on how quickly it dies under our brown thumb.
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