March 2018
Exploring the extreme universe
... to understanding the diversity of elements in the Universe. The cycle of matter proceeds from the formation of stars through nuclear fusion reactions, towards the ejection of stellar debris into interstellar space via winds and supernova explosions...
December 2014
A door closes
... administration to make a forceful public accusation that Russia was in violation of its commitments under the Intermediate-Range Nuclear Forces Treaty (INF Treaty) signed in 1987. (Earlier, such concerns were handled more quietly in formal bilateral...
April 2020
Protecting against the dangers of space radiation
...is important not only for cases like as nuclear accidents, nuclear terrorism and astronauts, but also for medical ... of much scientific research. In Europe we are working with nuclear research facilities such as GSI in Darmstadt, Germany, and Ganil...
September 2017
Binary stars and their extraordinary lives
... of star called a subdwarf-B forms In classical novae, material piles up on a white dwarf until the increasing pressure triggers a nuclear explosion on its surface. If the mass of the white dwarf increases, it may reach the Chandrasekhar mass and...
August 2020
Scorpion – a study of the possible
... The key technology used by the Scorpion is the Serpent nuclear engine which, like the SABRE (Synergetic Air Breathing Rocket ...: the first stage involves taking heat directly from the nuclear core using heat exchangers and the second stage uses arc...
January 2021
Spacepower and international relations
... a major war as a suitable method to overturn the international system and American dominance of that system. The prospect of nuclear death may prevent any intentional major war, with competition happening on economic, diplomatic and cultural fronts...
