At The Space Review Eric R. Hedman is making a case for a manned mission to Mars in his essay The best reason to go to Mars. He presents two argument to implement a Mars program: Continue reading The case for Mars?
Scientists have discovered a new allow that is four times stronger than most types of steel. This alloy contains three parts titanium and one part gold. Yes, gold! This material might be used in artificial knee and hip joints.
If this titanium-gold alloy would become widely used in medicine, the demand for gold will increase and so will the price of gold. And this might be good news for space settlements as gold could be obtained from asteroids.
One caveat should be made. Central banks and the IMF still hold large gold reserves and they might decide to sell of their reserves to meet demand.
Many will have heard of terms like counter-terrorism and counter-intelligence. These are concepts used by intelligence agencies around the world. The former refers to identifying and arresting (potential) terrorists and the latter to identifying foreign spies. Continue reading Counter-lobbyism
Space colonization and livestock farming is a difficult combination, as livestock will require a significant amount of scarce food and space. Either of these will be limited in supply, in particular in the first space settlements. Hence (the first) space settlers will have to adopt a primarily vegan diet, as animal products will be quite expensive. Continue reading Dairy, Eggs and Space Settlers
In paragraph I-1 of his discourses Machiavelli discussed the different origins of cities. In paragraph I-2 he then turns to the different ways a city can be governed. Continue reading Machiavelli’s Discourses and Space Settlements – part 2
The rubber tree (Hevea brasilienis) is the most important source of natural rubber. However, rubber trees might not be a suitable source for latex for space settlements, as it takes seven years for one tree to mature. Another issue with Hevea latex is that it contains proteins which cause allergic reactions in some people. Continue reading Latex for space settlements
There are some unsolved issues relating to space colonization. Two of them are the effects of low gravity and space radiation on the human body. Hence we propose two research programs before space colonization will be realized. Continue reading Two research proposals
Launching stuff from Earth into space is a costly affair because in order to launch a kilogram of payload, a multiple amount of mass of fuel is needed. Even if we would have a working non-rocket space launch system it will still take 34.84 kWh of energy to accelerate a 1 kg pay load to the escape velocity of our planet . There is no way around this since it is the bare minimum . Continue reading Natural tariffs
Several countries have legal restrictions on the ownership of real estate by non-resident foreigners, i.e. people who primarily live abroad. Various motivations exist for such restrictions, including irrational ones like blatant xenophobia. Continue reading On restrictions of foreign ownership of real estate