A little more than 15 years ago, astronaut Garrett Reisman was among a crew of seven who launched into orbit aboard Space Shuttle Endeavour. The shuttle remained attached to the Space Station for ...

The general theory of relativity is based on the concept of curved space–time. To describe how the energy and momentum of fields are distributed in space–time, as well as how they interact with the ...

The gravity quantum field is calculated in flat spacetime. The curved classical metric is calculated using the expectation value of the gravity quantum field. At long last, a unified theory combining ...

Filmmakers have used all kinds of tricks over the years to show low or zero gravity on screen, from wire work to underwater shooting, and more recently even blasting off to capture the real thing.

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

The quest for unlimited and clean energy has been a long one, with over fifty-plus years in the endeavor to find new ways to combat climate change while also providing better energy solutions. One ...