2.6K views · 97 reactions | The "Hull-Down Tank Tactic" is a military strategy where a tank positions itself behind natural or man-made terrain, such as hills, ridges, or obstacles, in a way that only its turret and gun are exposed to the enemy, while the vulnerable lower hull remains hidden. | Simple History | Facebook

1.3M views · 9.1K reactions | Over the 1,500 years of its existence, chess has been known as a military strategy tool, a metaphor for human affairs and a measure of genius. Where did this beloved game come from? | TED-Ed | Facebook