Mayim Bialik's BreakdownNASA Physicist Takes UFOs Seriously: Dr. Kevin Knuth on Aliens Already Living on Earth, Nuclear Missile Shutdowns, and the Government Cover-UpDifferent Crafts, Different Lift-Offs
40:02–41:00 · 59s
Comparing cases, Knuth notes some craft use rocket-like blasts igniting brush, while others rise silently as grass statically points upward—evidence of multiple propulsion techniques.