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Forwarded from AI Post โ Artificial Intelligence
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Ballistics
All shot at 100,000 frames per second.
Comparison of various pistol and rifle ammunition.
โ๏ธ Engineering
All shot at 100,000 frames per second.
Comparison of various pistol and rifle ammunition.
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Effect of temperature on the material
The vast majority of substances expand when heated.
This can easily be explained in terms of the mechanical theory of heat, since the molecules or atoms of a substance begin to move faster when heated.
โ๏ธ Engineering
The vast majority of substances expand when heated.
This can easily be explained in terms of the mechanical theory of heat, since the molecules or atoms of a substance begin to move faster when heated.
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A flying drone with Archimedean propellers (based on sketches of Leonardo da Vinci), was created by American students at the University of Maryland.
โ๏ธ Engineering
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The law of conservation of energy
A classic illustration of the principle is a spring or mathematical pendulum with negligibly small damping.
In the case of a spring pendulum, the potential energy of the deformed spring is converted into kinetic energy of the weight and back as it oscillates.
Likewise in the case of a mathematical pendulum, the potential energy of a weight in a field of gravity behaves in a similar way.
โ๏ธ Engineering
A classic illustration of the principle is a spring or mathematical pendulum with negligibly small damping.
In the case of a spring pendulum, the potential energy of the deformed spring is converted into kinetic energy of the weight and back as it oscillates.
Likewise in the case of a mathematical pendulum, the potential energy of a weight in a field of gravity behaves in a similar way.
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Benz & Cie is the world's first car with an internal combustion engine, built in 1885 by the German inventor Carl Benz. It was officially granted patent #37435 on January 29, 1886.
โ๏ธ Engineering
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Glyphosate is a non-selective systemic herbicide used to control weeds. Among herbicides it ranks first in the world in terms of production volumes.
โ๏ธ Engineering
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Forwarded from AI Post โ Artificial Intelligence
China is arming AI-powered robots with thermobaric warheads, which create 4,532ยฐF fireballs and vacuum explosions so intense they vaporize people, crush bunkers, and collapse lungs. Basically, a mini-nuke without radiation. A PLA study suggests using drones as battlefield โeyesโ while robot dogs and ground bots carry out thermobaric strikes, wiping out targets within 80 meters and blasting through 13 feet of concrete.
Forget sci-fiโthis is real, and itโs terrifying. Unlike nukes, these weapons arenโt banned, but experts warn they donโt discriminateโsoldiers, civilians, kids in basements. With Chinaโs AI war tech evolving fast, killer robots may be humming nursery rhymes today and leveling cities tomorrow.
@aipost
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Metal paperclip is held on water by surface tension
Molecules of a liquid experience mutual attraction forces. Inside the liquid, the attraction forces of other molecules act on all sides and therefore cancel each other out. Molecules on the surface of the liquid have no neighbors on the outside, and the resulting attraction force is directed inside the liquid. As a result, the entire water surface tends to shrink under the action of these forces.
Cumulatively, this effect leads to the formation of the so-called surface tension force, which acts along the liquid surface and results in the formation of a semblance of an invisible, thin and elastic film on it.
โ๏ธ Engineering
Molecules of a liquid experience mutual attraction forces. Inside the liquid, the attraction forces of other molecules act on all sides and therefore cancel each other out. Molecules on the surface of the liquid have no neighbors on the outside, and the resulting attraction force is directed inside the liquid. As a result, the entire water surface tends to shrink under the action of these forces.
Cumulatively, this effect leads to the formation of the so-called surface tension force, which acts along the liquid surface and results in the formation of a semblance of an invisible, thin and elastic film on it.
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The curved copper tube is first filled with water. A candle heats the tube and steam forms inside the tube, pushing the water out, causing it to rotate.
A vacuum is created in the coil, which draws in more water to repeat the process.
โ๏ธ Engineering
A vacuum is created in the coil, which draws in more water to repeat the process.
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The Coriolis Force Apparatus
The Coriolis force is one of the forces of inertia used when considering the motion of a material point relative to a rotating reference frame. Adding the Coriolis force to the physical forces acting on the material point allows us to consider the effect of the rotation of the reference frame on this motion.
โ๏ธ Engineering
The Coriolis force is one of the forces of inertia used when considering the motion of a material point relative to a rotating reference frame. Adding the Coriolis force to the physical forces acting on the material point allows us to consider the effect of the rotation of the reference frame on this motion.
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