The United States with its 300 million people is in many ways still the most powerful country in the world. Find out if you are familiar with its facts and at the same time build up your general knowledge profile.
Who would have thought that already 3 decades have passed, since Bill Gates announced Windows Operating System. Check out how Windows have changed through all these years.
Instead of promoting 3D printable guns, let's see 6 amazing examples how 3D printing actually changed this individual's quality to whole new dimensions.
