February 2016
Defending Earth against cosmic hazards
... activity follows a well-known but not easily understood 11 year cycle that moves from solar minimum to solar maximum. The latest peak in the cycle was reached during the autumn season of 2013. The amount of energy...
March 2016
Gravitational waves provide new window on the universe
... be to lengthen one 4 km arm and shorten the other during one half-cycle of the wave; these length changes are reversed during the other half-cycle. Accordingly, as it passes through, the wave will create a very small...
June 2017
Space economics - industry trends and space investing
... ability for a company to go public with an IPO (Initial Public Offering) remains nearly impossible. Think of the life cycle of capital as a giant flywheel. It must turn in one direction from one stage to another continuously and without skipping...
August 2017
Planning for health, sex and sleep on a future Mars colony
... the natural biological clock of organisms; on Earth, that cycle is approximately 24 hours long. Disruptions can result in fatigue...workload, confinement, and the loss of the light/dark cycle that comes with experiencing day and night. While the ...
October 2017
Saving geostationary orbit
...thermal control subsystem and so can reach temperatures that it was not designed to withstand. Indeed, repeated thermal cycling is a third process that could lead to materials fracturing and breaking off their host satellite. In a spin It is possible...
November 2017
Delivering a revolutionary reduction in space launch costs
... rates and reliability, creating additional commercial opportunities and increased demand for launch services. While this cycle has the potential to significantly reduce launch costs even further, it will ultimately face limitations if the focus...
