#17 "The super strong material that’s 7.5 times lighter than air" vs "it’s only 1.5 times denser than air". If it would be lighter than air it would float in air like baloon with hel.
#17 "The super strong material that’s 7.5 times lighter than air" vs "it’s only 1.5 times denser than air". If it would be lighter than air it would float in air like baloon with hel.