18 July 2017
Overcoming the challenges of long term space travel
... call Earth. While the Sun, our own star and nuclear furnace in the sky, which provides us with the energy... its middle age. After many billions of years, the nature of the nuclear reaction in the star's core changes and, depending on the star, ...
July 2014
In thrall to a star: understanding the Sun will help us understand our own climate and environment
... think about the simple fact that this is a powerful nuclear furnace on our doorstep generating vast amounts of energy and ... Sun’s production of light (radiant energy) originates in nuclear fusion reactions changing hydrogen into helium in the core, ...
June 2015
The real Interstellar: space travel theories from Tsiolkovsky to wormholes
...travel pretty much repeated Tsiolkovsky’s ideas. Yet after nuclear weapons were created, more detailed plans for interstellar ... These included Freeman Dyson’s Orion study, based on nuclear pulse propulsion, and the works of Leslie Robert Shepherd...
March 2016
From Sanctuary to Battlefield
... space attack would necessarily or plausibly be a prelude to total nuclear war. Any US space deterrence strategy that is predicated on an... in some way, and all conflicts involving the nuclear-armed states since 1945 have been constrained in some...
August 2016
Our changing world and the mounting risk of a calamitous solar storm
... directed energy beam systems to ‘Laser Bees’ to nuclear energy systems that the SMPAG could consider if presented with...suitable material? Would solar cell arrays, solar concentrators, or nuclear or radio isotope or other forms of power sources be ...
September 2016
URBOCOP: saving planet Earth
... on land may easily destroy a large city or an entire country, disrupt telecommunications, energy and other systems, destroy nuclear facilities, chemical plants and toxic waste depositories, etc. This is why the issue is being addressed increasingly...