Something as fragile as a human being entering the realm of the outer space requires a material that is lightweight yet durable enough to protect astronauts as they explore the universe.
The history of spacefaring includes failures that remind us of the dangers of venturing to space.
The idea of space experiments is far from fictional, with the very first experiments in space carried out as early as 1971.
Astronauts a are selected carefully, after grueling scientific, cultural, physical, and mental tests, with psychological health testing being of utmost importance.