Using two propellers spinning in opposite directions, the genius contra-rotating propeller system is used on marine vessels ...

This is how the world's most technologically advanced fighter jet engine is made for the F-35 Lightning II. From its ...

Under the haunting glow of a pale moon, the massive Vickers Wellington Bomber from the 75th Squadron ascended over the Zuider ...

The incredible work, which was posted to Reddit by user u/Ok_But_1351, originally appeared on Chinese social media platform bilibili.