Ben Austen of PopSci:
"Kingda Ka, the tallest roller coaster on Earth, drops its passengers a life-flashing 418 feet. Ferrari World’s Formula Rossa, the fastest, literally takes riders’ breath away at speeds of up to 150 mph. Though thrilling, these are phenomena of degree, not kind. BRC Imagination Arts, a Southern California design firm, has proposed something entirely new: a ride that creates the sensation of zero gravity for up to eight seconds at a time."