Emphasising the differences between life in space and "reality" on Earth, Cmdr Hadfield said he was "readapting to it physically and mentally".

BBC: Chris Hadfield: 'Space was too good not to share it'

The project consists of assembling and readapting a package of high quality free open source software in three languages (Arabic, French and English) and disseminating it in Arab countries on USB keys.

UNESCO: Listserv to create FOSS community in Maghreb