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Stealth Bomber


IVIR

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The B-2 bomber, commonly known as the Stealth Bomber, is an extremely expensive military aircraft capable over flying undetected across the globe. First of all, the bomber can travel over 6,000 miles without refueling due to its aerodynamic shape. The entire aircraft acts as a singular wing, due to its "flat" shape, which allows the resistance from air to hit the slightly angled bottom and push the aircraft up against the force of gravity. Since the aircraft can almost travel at the speed of sound, the force from air resistance is quite large. The aircraft's flat shape and lack of a tail makes sure that air resistance does not slow down the bombers horizontal speed. Another important aspect of the bomber is computer controlled flaps on each of the wings. If the bomber begins to turn too quickly or become unstable due to lack of stabilizers for stealth, the computer system raises and lowers a flap above each wing at an angle to adjust accordingly. These small flaps allow the bomber to stay on its desired path and stabilize flight, which is why the computer controlled mechanical flaps have now been incorporated in top sports cars as well to pop up at different angles at high speeds.  

Perhaps the most important aspect of the Stealth Bomber is stealth. In order to stay invisible to radar detection, the bomber is built out of a special composite and coated with special paint to absorb radio waves, rather than deflecting them. This radio absorbent paint and tape is extremely expensive as it does not allow radio waves to reflect off the surface and reach the radar station. In order to keep the premise of stealth, these radio absorbent paints and tapes are often applied to certain spots before every flight. Also, the exhaust of the plane is on top of the plane and the engine is designed for very low emissions as well as positioned in the middle of the bomber to avoid heat detection. As another counter to radar detection, the bottom of the stealth bomber is designed like a slightly curved mirror. This deflects any remaining radio waves in random directions away from the source location. 

As a whole, the B-2 bomber is a masterpiece of aerodynamic excellence and deflection/absorption of radio waves as well as emitting as few electromagnetic waves of its own as possible. Guess that's why it costs nearly $1 billion for one of these, and $2 billion if you count research and development and training. 

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