This model airplane is a trainer, an evolution of the project we made some time ago, the Joytrainer, that airplane was big ...
Imagine a fleet of submarines sitting idle on a military base in the Pacific because they contain malfunctioning or aging ...
NASA astronaut [Don Pettit] shared a short video from an experiment he performed on the ISS back in 2012, demonstrating the effects of sound waves on water in space. Specifically, seeing what happens ...