Bullshit.
"...the most prominent being his signature Kamehameha (?????, lit. "Turtle Destruction Wave"), in which Goku launches a blue energy blast from his palms."
(Source:Wikipedia)
Now, I'm not some spike-haired feckless twerp from another planet. I'm an earthling. And here, we call that magic!
And when is he gonna stop dressing like it's 1990?
And while I'm at it...he's a thief (or his anime creators are). He/they stole the name Kamehameha. King Kamehameha The Great ruled the Hawaiian islands during the late 1700s to roughly 1819.