You're sitting in physics class, working on a traditional problem involving forces and acceleration, when you start to wonder where these terms even came from. Were they just dreamed up to bring ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Artist’s rendering of the Air Force Research Laboratory Demonstration and Science Experiments spacecraft on-orbit with its 80-meter and 16-meter antenna booms extended. (Image/W. Robert Johnston, AFRL ...