Category: Technology Breakthroughs

Why US does not sell F-22?

Ultimately, the F-22 program was ended because it was very costly and the need for an air-to-air fighter to counter Soviet fighters just wasn't the U...

How did samurai become daimyo?

As the military class (buke, or samurai) increased in numbers and importance during the 11th and 12th centuries, the term daimyo came to be applied to tho...