paper airplane
n.— «Aviation has a long history of what people call “paper airplanes”—some guy comes along who’s going to build a new plane that goes 1,000 miles an hour and only costs $200 to fly, and he raises money and is never heard from again.» —“Founder of firm creating ‘cheap’ jet to speak at DWC” by Dave Brooks Nashua Telegraph (N.H.) Apr. 6, 2005. (source: Double-Tongued Dictionary)
Further reading
How do you transform ancient Chinese script for use in the modern age? English uses a keyboard with just 26 letters, but the first Chinese typewriter looked like a small table under a huge disk with more than 4,000 characters. A new book chronicles...
What’s up with ketchup? The shifting history and spelling of the name of this condiment. For centuries, ketchup was a fishy sauce originating in Asia—the tomatoes came only later! Plus, a new book shows what’s lost when a language dies: when there...