"Pushing The Envelope"
This phrase is used to refer to an aircraft being taken to, and perhaps beyond, its designated altitude and speed limits. By extension, this phrase may be used to mean testing other limits, either within aerospace or in other fields e.g. Plus ultra (motto).
Read more about this topic: Flight Envelope
Famous quotes containing the words pushing the, pushing and/or envelope:
“Their beauty has thickened.
Something is pushing them
To the side of their own lives.”
—Philip Larkin (1922–1986)
“Their beauty has thickened.
Something is pushing them
To the side of their own lives.”
—Philip Larkin (1922–1986)
“... all my letters are read. I like that. I usually put something in there that I would like the staff to see. If some of the staff are lazy and choose not to read the mail, I usually write on the envelope “Legal Mail.” This way it will surely be read. It’s important that we educate everybody as we go along.”
—Jean Gump, U.S. pacifist. As quoted in The Great Divide, book 2, section 10, by Studs Terkel (1988)