Category Archives: technology

Radiation protection

Cosmic radiation is one of the most serious dangers to human spaceflight and hence a serious issue for space colonization. Consequently radiation protection is no luxury for space settlers and without this space colonization is unlikely to succeed.

Researchers at the Australian National University have developed a new nano material that could reflect cosmic radiation. A thin film of the material could provide radiation protection of astronauts and space settlers. Compared to other shielding techniques this material appears to offer a light-weight protection.


Organ donation

Apparently there are plans to introduce an opt-out system of organ donation in England, after the Scottish government has announced to introduce such system there. An opt-out system means that every person is automatically an organ donor unless he/she or his/her next of kin objects. Continue reading Organ donation

Should central vacuum cleaners be mandatory?

Most people will be familiar with portable vacuum cleaners, but those are not the only type of vacuum cleaners. A central vacuum cleaner is a fixed structure that collects dirt through pipes in the walls. In order to use such system each room needs one or more vacuum inlets – one has to put the hose on the inlet. Continue reading Should central vacuum cleaners be mandatory?