Spacecrafts
Ancient astronaut theorists have speculated that one reason extraterrestrials might have designed disc-shaped craft is so that they can instantly change direction, and at tremendous speeds. These disc-shaped craft are able to make sudden turns, turning at high speeds in any direction.
When you’re thinking in terms of aerodynamics, shape should matter a great deal. But what if aerodynamics is not really relevant? What if these objects are able to employ a different kind of a science that makes aerodynamics irrelevant?.
YouTube link: https://youtu.be/VPttOoTV2Pk?si=RvTIcquxL8Tl1tBi