It is just the current state of technology that only one usable material exists (no fact checking has been done), Given time a wide variety of eligible materials will be developed with appropriate properties. This is nothing special, just the endless advance of science in materials engineering.
It is just the current state of technology that only one usable material exists (no fact checking has been done), Given time a wide variety of eligible materials will be developed with appropriate properties. This is nothing special, just the endless advance of science in materials engineering.