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Stealth Is Echo Control Stealth does not mean the aircraft stops scattering radar. It means the shape tries to keep the strongest echo from going back to the radar that sent it. Of course theres the issue of absorbing material as well. Here a pulsed radar wave hits the... show more

Mathelirium

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The B-2 Spirit in action! This giant of stealth technology is capable of penetrating enemy defenses without being detected by radar. Note the detail of the landing gear and the incredible engineering of this aircraft. 📹: cupula_3.0

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🇺🇸 The F-22 is the stealth king of fighter jets, but why does it have 2 thrust-vectoring nozzles instead of 3 like Russia’s Su-57? Because 3 nozzles require a round exhaust, and round shapes reflect radar straight back, making the jet easier to detect. The F-22 uses 2 flat, rectangular exhausts, which scatter radar waves away and help keep the jet stealthy. The trade-off: a bit less extreme maneuverability, but far better stealth, which is why it’s still one of the most advanced fighters in the sky. Source: Aviation Insider

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🇺🇸 The B-2 “stealth bomber” is the only tailless bomber active in military service today, anywhere in the world. Why exactly is that? Well, a vertical tail acts as a reflector, bouncing enemy signals back like a mirror, and making them highly visible on radar. Engineers designing the B-2 made a radical decision: remove the tail entirely and accept the aerodynamic downsides that come with it. The B-2 instead relies on quadruplex-redundant, computer-controlled flight systems. Instead of a mechanical tail, computers make thousands of micro-adjustments per second to keep it stable. No human pilot could do this manually. But stability is the price worth paying for total invisibility. Source: Military Mind YT

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Trump has more to worry about! China has transferred its long-range YLC-8B anti-stealth radar to Iran, which can detect 5th gen, stealth fighter jets and B-2 bombers. Each radar system can detect targets up to 700 kilometres away. The YLC-8B is specifically engineered to counter stealth aircraft and ballistic missile threats through UHF-band low-frequency surveillance, undermining the effectiveness of radar-absorbent shaping used by platforms such as the F-35 Lightning II and B-2 Spirit. It’s also a compliment to the Chinese anti-stealth sensor JY-27A, that Iran already has. This tech transfer is part of the 25-year, China-Iran comprehensive strategic partnership agreement encompassing military tech exchange, joint exercises, and energy-for-security arrangements.

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The J20 is an ex Soviet design, the MiG 1.44. The whole idea is to develop a very high profile and visible “stealth” aircraft. In the end, it became a white elephant for graft with bad engines and are able to be detected by the drying rack of a radar.

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🇺🇸 The GBU-57: the bomb built to kill what nothing else can reach 30,000 pounds. Dropped from a B-2 at extreme altitude. GPS-guided fins adjust its trajectory in real time as it falls. On impact, it buries itself over 200 feet through reinforced concrete before detonating. The B-2 that carries it has no rudder, no vertical stabilizer, nothing to reflect radar. Its skin is coated in classified radar-absorbing material worth $1 billion per aircraft. It carries 40,000 pounds of ordnance and Iran never sees it coming. This is the weapon that cracked open Iran's underground missile cities. Source: AiTelly on YT

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🇺🇸 The F-22 was designed to hide from the Earth. But space has no place to hide. 🇨🇳 China’s new dual-satellite LT-1 radar detects stealth aircraft from orbit. The age of “invisible power” is ending, not by war, but by physics.

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🇺🇸 The MQ-9 Reaper is a large military drone. Its body is made from special lightweight materials that are still very strong. The landing gear uses tough titanium parts so it can handle landings better. At the front is a small sensor called the Angle of Attack sensor. It tells the drone how the air is moving around it so the drone can fly smoothly and stay stable. Right behind that are the GPS units for navigation and the batteries that supply power. Further back is the Lynx SAR radar. Normal cameras need light to see, but this radar does not. It sends out radio waves downward. When those waves hit something on the ground like a vehicle or a building, they bounce back. Source: AI Telly

Mario Nawfal

175,715 Aufrufe • vor 3 Monaten

In 1996, James Sethian showed something almost unfair...you can find shortest routes through a messy world by letting a wave expand once...no trial paths, no search beams, just one growing front. Here’s how: we solve for an arrival-time field T(x,y) so that T literally means how long the wave needs to reach this point. The rule is ||∇ T|| = 1/F, where the medium is fast (F large) the front sprints, where it’s slow it trudges, and obstacles are speed ≈ 0, so the front wraps around them because that’s the only way forward. Then comes the satisfying part: once T exists, a path doesn’t need to search at all...drop a bead anywhere and let it follow ẋ ∝ -∇ T, it slides downhill on the time landscape and traces a globally fastest route back to the source. This “wave = optimal control” viewpoint is exactly what Tsitsiklis (1995) made precise from the Hamilton-Jacobi side...compute the value/arrival-time function and the optimal trajectories fall out from it. #FastMarching #EikonalEquation

In 1996, James Sethian showed something almost unfair...you can find shortest routes through a messy world by letting a wave expand once...no trial paths, no search beams, just one growing front. Here’s how: we solve for an arrival-time field T(x,y) so that T literally means how long the wave needs to reach this point. The rule is ||∇ T|| = 1/F, where the medium is fast (F large) the front sprints, where it’s slow it trudges, and obstacles are speed ≈ 0, so the front wraps around them because that’s the only way forward. Then comes the satisfying part: once T exists, a path doesn’t need to search at all...drop a bead anywhere and let it follow ẋ ∝ -∇ T, it slides downhill on the time landscape and traces a globally fastest route back to the source. This “wave = optimal control” viewpoint is exactly what Tsitsiklis (1995) made precise from the Hamilton-Jacobi side...compute the value/arrival-time function and the optimal trajectories fall out from it. #FastMarching #EikonalEquation

Mathelirium

766,230 Aufrufe • vor 7 Monaten

#WATCH | J&K: A soldier of the Indian Army says, "The radar you can see right behind me is an early warning radar of the air defence system, and this early warning radar is the most modern radar of today. This radar has long-range capability, which means that it has the ability to search and detect the enemy's target from a long range. Due to its long range, it searched and detected all the enemy targets, be it a drone, a UAV or an aircraft, very well. It passed the data of the target to the fire controller, and the weapon system attached to the fire control radar opened an effective fire on that particular target, due to which it was destroyed in the air itself. We detected their targets through those radars and destroyed them in the air through our weapon system before they could reach their destination. Its success rate has been 100%, and it can be 101%, but it cannot be less than that. There is no doubt that if the enemy country dares to do something like this in the future, it will have to pay a lot more than this. Our army jammed their (Pakistan) air defence system, and they could not do anything, and due to this, they suffered heavy losses..."

#WATCH | J&K: A soldier of the Indian Army says, "The radar you can see right behind me is an early warning radar of the air defence system, and this early warning radar is the most modern radar of today. This radar has long-range capability, which means that it has the ability to search and detect the enemy's target from a long range. Due to its long range, it searched and detected all the enemy targets, be it a drone, a UAV or an aircraft, very well. It passed the data of the target to the fire controller, and the weapon system attached to the fire control radar opened an effective fire on that particular target, due to which it was destroyed in the air itself. We detected their targets through those radars and destroyed them in the air through our weapon system before they could reach their destination. Its success rate has been 100%, and it can be 101%, but it cannot be less than that. There is no doubt that if the enemy country dares to do something like this in the future, it will have to pay a lot more than this. Our army jammed their (Pakistan) air defence system, and they could not do anything, and due to this, they suffered heavy losses..."

ANI

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Erwin Schrödinger’s 1926 equation changed the game by turning Quantum Mechanics into wave dynamics. That move gave Physics a new way to think. Instead of forcing a particle onto one sharp path, it lets a complex wavefunction evolve in time, with its shape and phase holding the structure of the phenomenon. What makes this so striking is that Schrödinger’s equation does not start from vague mystery. It starts from a precise and daring idea The state of a particle is a complex field ψ(x,t), and the dynamics must push ψ forward in a way that preserves total probability.

Erwin Schrödinger’s 1926 equation changed the game by turning Quantum Mechanics into wave dynamics. That move gave Physics a new way to think. Instead of forcing a particle onto one sharp path, it lets a complex wavefunction evolve in time, with its shape and phase holding the structure of the phenomenon. What makes this so striking is that Schrödinger’s equation does not start from vague mystery. It starts from a precise and daring idea The state of a particle is a complex field ψ(x,t), and the dynamics must push ψ forward in a way that preserves total probability.

Mathelirium

54,730 Aufrufe • vor 3 Monaten

The aircraft is still parked at Vienna Airport, raising serious questions. Is the Gulfstream G500 actually owned by the Government of Punjab, or is it on lease? If it belongs to the Government, why is it still registered in the name of an American trust/company instead of the Government of Punjab? Moreover, why is the aircraft currently in Vienna, and what purpose is being served there? The public has a right to know: 1. Who owns the aircraft? 2. Under what agreement was it acquired? 3. What are the operational and maintenance costs being paid from public funds? Transparency is essential when public money is involved.

The aircraft is still parked at Vienna Airport, raising serious questions. Is the Gulfstream G500 actually owned by the Government of Punjab, or is it on lease? If it belongs to the Government, why is it still registered in the name of an American trust/company instead of the Government of Punjab? Moreover, why is the aircraft currently in Vienna, and what purpose is being served there? The public has a right to know: 1. Who owns the aircraft? 2. Under what agreement was it acquired? 3. What are the operational and maintenance costs being paid from public funds? Transparency is essential when public money is involved.

M Azhar Siddique

154,248 Aufrufe • vor 4 Monaten