World War I and World War II continue to force many countries preparing for weapons to fight their potential enemy or continuously bully other country. What make competition for weapons technologies coontinues. Economy, political power, oil/energy, water or just for fun. Scientists usually develop scientific ideas for human life; comfortable, harmony, quality food and safe environment to live. If scientific findings are misused for human power then world are not stable. We still have time if we can think and put understanding to live in harmony in this world.

http://news.yahoo.com/photos/anatomy-of-a-potential-syria-military-operation-weapons-targets-defenses-slideshow/