America’s Fastest Spy Plane May Be Back and Hypersonic
Reading this, I just realized that I bet we do more and more testing of cutting edge aircraft in computer simulations nowadays, waiting until later in the stage to actually build prototypes.<p>This might also explain why we&#x27;ve got fewer &quot;UFO&quot; sightings than we used to even 20-30 years ago, in spite of all of us carrying cameras in our pockets (apart from the fact that many of these were hoaxes to begin with).