A Second World War aircraft could take to the skies again as early as 2025, more than 80 years after being shot down by German forces. The "AA810 Spitfire," which belonged to the British Royal Air Force (RAF), is being rebuilt by an international team headquartered in the United Kingdom. Now the University of Sydney in Australia has announced that a group of its experts is fabricating engine parts for the plane using industrial 3D-printing techniques, also known as additive manufacturing. "The restoration of Spitfires has been a growing industry since the 1960s, however, rarely does an aircraft with such...