January 2018
When it comes to water Mars may not be the promised land
...numbers represent a significant setback for many scientists and wealthy space enthusiasts who have ambitious plans of human exploration and settlements ...amount needed again to account for the six months travel time there and back. Such a volume of ...
June 2017
Spaceplane rationale - a new way of thinking
... costs and improved safety Low-cost access to orbit will enable the cost of travelling further afield to be greatly reduced. Large orbital space depots would become affordable, and these would be used for maintaining and re-fuelling...
January 2018
Cosmic cocktails and galactic moonshine
... better or for worse alcoholic beverages will almost inevitably travel into the expanse with future settlers and will eventually be manufactured at their new interplanetary homes. Space will present a whole raft of challenges for alcohol production...
February 2018
Journey of inspiration
... checklist for becoming an astronaut, and that inspiration can come from so many different places. During my time in space, I was inspired by the wonderful mix of personality and professionalism of my crewmates and by the people who supported us even...
March 2018
Zero gravity and the human heart
..., heartbeat volume and heart size decrease between 15 - 20 percent. The thorax becomes shorter and wider, intercostal spaces become broader and the anteroposterior diameter increases. Central venous pressure, contrary to what has been hypothetically...
April 2020
Plasma Clipper - opening the age of sail, in space travel
... times higher than the power it took to energise the coils in the first place. Since high-speed space travel is primarily a power problem, getting a million-to-one payback on your power is worthy of serious attention. Interestingly, since the...
