15 years since the last Concorde plane flew, and we still don’t have supersonic jets back in the skies. If Boeing has it’s way, they’ll eventually leapfrog supersonic with their own hypersonic technology, which reaches speeds of over Mach 5. The incredible speeds, along with flights at over 95,000 feet elevation, make for very swift travel, indeed. Though the first commercial operations are at least 20 years away, Boeing’s rendering has excited aviation fans around the world, possibly harkening a new age of remarkably fast travel. Via Popular Mechanics: