Answer:
I fly forever Rest never.
When I am alive, people sing. When I am dead, people clap hands. What am I?
I was not born but I am here. I have no name but I am given many. I was made by science and life
I can be cracked, made, told, and played. What am I?
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.