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The invention of Velcro hook-and-loop fastener was inspired by burrs. A burr is the seed or fruit of a plant that has tiny hooks on it and clings to fabric or fur. Velcro uses this feature to stick to the loop with its hook. This adhesive characteristic is completely chemical free and does not produce any pollutants.

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Some animals have the ability to change the color of their body according to the surroundings to hide themselves from predators or sneak up on prey. Military camouflage uniforms use this principle to blend in with the environment. It allows soldiers to hide in plain sight and difficult to be detected by enemies.

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Solar panels mimic the photosynthetic ability of plants by converting sunlight into usable energy. They convert sunlight into electrical energy with photovoltaic panels or mirrors that concentrate solar radiations. Solar panels do not produce any emissions and pollution, therefore they are a sustainable source of energy.

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Self cleaning materials imitate the ultrahydrophobicity of lotus leaf known as the lotus effect. This characteristic allows dirt particles to be picked up by water droplets due to microscopic architecture on the surface that minimizes the droplet's adhesion to the surface, therefore achieving the "self cleaning" effect. The use of this technology helps to reduce the energy and resources needed for cleaning.

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The design of bullet train was inspired by the king fisher bird. Bullet train used to create a loud sound called tunnel boom when it exits a tunnel because of the air pressure building up in the tunnel and then released. However, the problem was solved when the head of the train was redesigned to mimic the kingfisher's sharp beak. The new design not only solves the problem, but also makes the train faster while using less electricity.

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Microneedles are inspired by the mosquito's ability to pierce the skin painlessly with its proboscis. In contrast to hypodermic needles, microneedles only penetrates the dermis layer and is able to draw blood or deliver drug while minimizing the pain during the process.

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Airplanes were designed based on the appearances of a bird. The planes have light skeleton to reduce weight and streamline shape to reduce drag during flight. Better aerodynamic helps the plane to be more fuel efficient.

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Cars only move in one direction on one side of the road where cars on the other side move in opposite direction, similar to how ants line up and move together in one direction. traffic conditions are improved when cars don't go both ways on a single road.