which according to you is the most important human-made resource in the last 50 years? how has it made our life easier? Think and answer.
Answers
Answer:
The problems of the ultra-rich are different than yours or mine. Going by the market forces that gave us this entry, the ultra-rich worry about the fact that the bulletproof glass that may save their lives would also stop them from shooting back.Enter one way ballistic glass: it stops bullets from one side only, allowing return fire. How is this wizardry achieved, you ask? By sandwiching two sheets of different plastics together — a brittle acrylic layer, and a softer, more elastic, polycarbonate layer. The acrylic forms a very hard surface under pressure. When a bullet strikes this side, the layer flattens it before shattering, dissipating its energy. It is then possible for the shock-absorbing back layer to contain the bullet (and the shards of acrylic) without breaking.When shot from the other side however, the bullet hits the polycarbonate first, stretching it initially. This bending shatters the brittle acrylic behind, leaving no resistance once the bullet punches through, thus allowing the target to become the shooter. But don’t get too cocky — you just put a hole in your shield.