00:00For millennia, humanity gazed at the sky in pure fear.
00:03We fled from massive stones launched in sieges,
00:05then from bombs falling from planes.
00:07But we didn't just run.
00:09We learned to turn the sky into an impenetrable shield.
00:12From stone to laser, this is the story of our survival.
00:16A and B begins now.
00:18Inside the castle walls, survival meant striking back.
00:22The first air defense was born from simple retaliation,
00:25catapult against catapult.
00:27A brutal game of physics, where gravity was the only judge.
00:30But the true genius was Archimedes,
00:32who used giant mirrors to focus sunlight into a lethal beam.
00:36This was the primitive ancestor of today's laser shields.
00:39With the birth of aviation, the threat was no longer behind walls.
00:42It was overhead and incredibly fast.
00:45Muscles were replaced by gunpowder,
00:47yet hitting a moving target was nearly impossible.
00:49The strange solution?
00:51Barrage balloons.
00:53Thousands of giant blimps floating over London,
00:55forcing enemy bombers to stay high,
00:57rendering their aim useless.
00:59A brilliant, passive evolution in defense.
01:02Invisible threats?
01:03Supersonic speeds?
01:04Human reflex is replaced by machine intelligence.
01:07Missiles predict.
01:09Lasers destroy.
01:10The future of defense is light speed.
01:12From a wooden catapult to the power of photons,
01:15everything was for one goal,
01:16making the skies safe again.
01:18The tools changed,
01:19but our ingenuity remains the same.
01:22See you in the next chapter.
01:23From ancient ropes to light speed lasers,
01:25we protect our skies.
01:27Like this video, subscribe to A and B,
01:29and tell us your thoughts below.
01:31See you in the next chapter.
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