First time accepted submitter littlesparkvt writes "The NASA and the Pentagon's experimental aircraft could go from NY to London in about an hour. With a cost of 140 million dollars USD. During the test the X51-A will reach speeds of 1700 meters a second and climb to an altitude of 70,000 feet."
Utility is when you have one telephone, luxury is when you have two,
opulence is when you have three -- and paradise is when you have none.
-- Doug Larson