As civilizations grow and mature, if humanity so far is anything to go by, they require a lot more energy to sustain ...

A black hole then transfers rotational kinetic energy to objects in its vicinity ... The Role of General Relativity," Penrose proposed a mechanism that could, in theory, accelerate a spacecraft ...

Black holes power some of the most energetic phenomena in the known universe, but could they ever power an advanced human ...

The department Relativistic Modelling is involved in the development of sensors, especially for space missions, during the whole life cycle – from the concept phase to the data analysis. Therefore ...

Drawing an analogy to the solar wind, I will also suggest an alternative to the conventional paradigm of the X-ray corona in active galactic nuclei, using both large-scale general relativistic ...