The South African Civil Society Information Service
A nonprofit news agency promoting social justice. Seeking answers to the question:
How do we make democracy work for the poor?
A nonprofit news agency promoting social justice. Seeking answers to the question:
How do we make democracy work for the poor?
The Universe is teeming with planets. Astronomers now believe that every star in the galaxy has a planet and they speculate that up to one fifth of them might be able to harbour life. Only we haven't seen any of them - yet. At Princeton’s High Contrast Imaging Laboratory, Jeremy Kasdin and his team are looking to change that with the design and engineering of an extraordinary piece of equipment: a flower petal-shaped "starshade" that allows a telescope to photograph planets...
Using current technology, Mars could be colonised within decades, argues Adam Steltzner engineer at NASA's Jet Propulsion Laboratory, where he led the design of the Mars Curiosity "sky hook" landing system. Steltzner projects how humans might be able to make a home beyond the confines of the Earth, but questions the motivations for such an endeavour. He argues, that a lot of people are attracted to the idea of colonising Mars because we are going to overpopulate or pollute this...
