When hard, this same stuff would invisibly slice through your body long before you could ever realize it.
In fact, you could have invisible knives made of this stuff and have people walk into it and cut themselves completely in half.
How do you see a 1.5 atom-think, diamond hard substance, from the short side?
“When hard, this same stuff would invisibly slice through your body long before you could ever realize it.”
I read that science fiction story, too.
Don’t forget the “karathands”, gloves made of the same material that instantly harden on impact. Oh, and the “skyhook” elevator cables to orbiting space stations.