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Do You Know DO YOU KNOW ! — An Ultimate destination for mind-blowing facts, curious questions, and fascinating discoveries!

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18/09/2025

Necklace of Pharaoh Psusennes

18/09/2025

How ANTI TANK GUIDED MISSILE MCLOS Works

Gutenberg’s printing press proved to be a more efficient and less costly form of printing, the beginning of the modern e...
16/09/2025

Gutenberg’s printing press proved to be a more efficient and less costly form of printing, the beginning of the modern era of printing had begun.

For nearly 500 years, the basics of printing technology remained the same. While the equipment became more efficient and durable, the printing press was just that, a printing press.

16/09/2025

The Money Tree at Fairy Glen Falls, Inverness, Scotland ...In Scotland, "Money Trees" are traditionally large, ancient oak trees on which people hammer coins to make wishes, such as the Oak Wish Tree on Isle Maree, or Fallen Trees like the one at Fairy Glen Falls.

16/09/2025

Gates in Dam Water Management – Opening the gates also helps to maintain a proper water level in the reservoir, avoiding overflows and ensuring the dam's structural integrity

22/08/2025

This is a high bypass turbofan engine where nearly 85 percent of the total thrust comes from the large front fan accelerating bypass air rather than from the hot exhaust

Inside the core multi stage axial compressors increase air pressure before it enters the combustion chamber where fuel is ignited and expands through high pressure turbines
The balance between bypass airflow and core performance is key to achieving both fuel efficiency and high thrust at cruise altitude

22/08/2025

Airplane Engine Expert Reveals Why Grills Won't Stop Bird Strikes

When a bird strikes an aircraft engine mid-flight, it's called a bird ingestion. In seconds, spinning blades meet feathers at jet-speed — potentially damaging the engine, reducing thrust, or even causing flameout. It’s rare, but pilots train for it. Nature meets technology at 30,000 feet.

20/08/2025

How Does An Turbo Fan Engine Work?


18/08/2025

How Ancient China Invented Dougong! 🤯

18/08/2025

How the Oriental pearl tower was invented! 🤯

17/08/2025

Nobody Knows The real Truth of MIG 29

17/08/2025

NISAR, NASA-ISRO Synthetic Aperture Radar,


एक पृथ्वी अवलोकन उपग्रह है जो नासा और इसरो का एक संयुक्त मिशन है। यह उपग्रह 12 मीटर का रडार एंटीना लेकर अंतरिक्ष में गया है और इसे "धरती का सबसे बड़ा स्कैनर" कहा जा रहा है। NISAR पृथ्वी की सतह में होने वाले परिवर्तनों को मापने के लिए दो अलग-अलग रडार आवृत्तियों (एल-बैंड और एस-बैंड) का उपयोग करेगा, जिसमें सेंटीमीटर जितनी छोटी हलचलें भी शामिल हैं।
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