2. In the Russian dance Berezka, the women move with very small steps, creating the illusion that they are floating
3. The San Siro football stadium in Milan has a spiral walkway, when it is being used it creates an optical illusion that the whole building is rotating
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4. A series of famous optical illusions that can be interactively tested
5. The Thatcher effect
It is a phenomenon describing the mind's inability to recognize facial problems when faces are turned upside down. (Turn the image around)
6. One of the world's oldest optical illusions in art.
A 900-year-old exquisite bas-relief of an elephant and a bull sharing a common head is part of the Airavatesvara Temple, India built by Chola King Rajaraja II
7. A Japanese neurologist created this optical illusion. No, it's not moving
8. The body transfer illusion is the sensation of possessing a body part that isn't actually yours. This is the famous rubber hand experiment and it tricks your brain
9. The parts are moving and the lines seem to be crooked. But in reality they are still
10. When 2d becomes 3d. Cool little illusion that tricks the eye 👁️
11. Go ahead, find the curved line
12. The spinning dancer
If you look at the dancer on the left and the one in the middle, the one in the middle spins clockwise.
If you look at the dancer on the *right* and the one in the middle, the one in the middle spins counterclockwise.
13. Color Perception
Using a gradient background, it creates the impression that a moving piece of paper completely changes its shade depending on its position. However, that's not true—its color remains the same throughout!
14. Patrick Hughes' "Reverspective" is a mesmerizing technique that employs reverse perspective. This particular piece, "Purism" (2006), is showcased at the Illusion Art Museum in Prague.
15. Night lights with optical illusion
American designers have created night lights that give the illusion of 3D hallways, making it seem as though there is a real hallway in the room.
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The Agni missile family is the backbone of India`s nuclear deterrence.
This thread explores their evolution, specs, MIRV tech, and why they matter🚀
1. Agni missiles, developed by DRDO, are nuclear-capable ballistic missiles.
Named after the Bhagwan Agni, the Fire God, they span Agni-I (700-1200 km) to Agni-V (~8000 km), countering threats like Pakistan & China.
2. Agni Variants
-Agni-I: 700-1200 km, short-range
-Agni-II: 2000-3000 km
-Agni-III: 3000-5000 km
-Agni-IV: 3500-4000 km, precise
-Agni-V: 5000-8000 km, ICBM, MIRV Capability
-Agni-VI: In dev, MIRV focus
The World`s last Stone Age tribe, isolated for 60,000 years on North Sentinel Island fiercely defends its territory against all outsiders
In 2018, John Allen Chau, an American evangelical Christian missionary was ki!lled by the Sentinelese, after illegally traveling to North Sentinel Island in an allegedly in an attempt to introduce the tribe to Christianity.
2. SVALBARD GLOBAL SEED VAULT, NORWAY
In Svalbard Norway there a global seed vault AKA The Doomsday Vault. It is the world’s seed bank storing samples of crops from all over the world incase of a global catastrophe. It is off limits to any visitors.
Its reported role in the May 10, 2025, India-Pakistan conflict marks a historic combat debut.
[A Thread on India's Supersonic Spear]🧵
1. The BrahMos, a supersonic cruise missile, is a cornerstone of India’s arsenal. Jointly developed by India & Russia, it’s named after the Brahmaputra & Moskva rivers.
2. Capabilities: BrahMos travels at Mach 2.8-3.0, making it the world’s fastest cruise missile. It carries a 200-300 kg warhead (conventional or nuclear-capable) with pinpoint accuracy. Range? Up to 800 km in extended variants.