“I read somewhere a couple of years ago about how relatively fast our knowledge about physics or anything else can change.”
Yep, absolutely true. What we take for granted now would have been considered as “physically impossible” back then. Yet we have learned nothing from this history and reality. These firewalls retard our own discovery and advancement of knowledge with this limited perspective and limited scope of possibilities.
These firewalls retard our own discovery and advancement of knowledge with this limited perspective and limited scope of possibilities.
***You set up your own firewalls of IGNORance by IGNORing the evidence that flying saucers are just secret weapons based on suction boundary layer control experiments from almost a hundred years ago by Oscar Schrenk and Ludwig Prandtl.
https://www.amazon.com/Intercept-UFO-Renato-Vesco/dp/B001Q3ZOCY