piezoelectric vibration thrust is REAL
With this technology we will finally be able to visit other stars in just a few years
https://www.nasa.gov/directorates/spacetech/niac/2018_Phase_I_Phase_II/Mach_Effect_for_In_Space_Propulsion_Interstellar_Mission/
With this technology we will finally be able to visit other stars in just a few years
https://www.nasa.gov/directorates/spacetech/niac/2018_Phase_I_Phase_II/Mach_Effect_for_In_Space_Propulsion_Interstellar_Mission/
