#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.
We all remember seeing liquid metals in physics class, but one that melts at room temperature is something else entirely. But the surprise doesn’t stop there. In hot water, materials made from gallium melt before your eyes.
#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.