«Using this data, the software determines the relevant indicators, which when
analysed in water samples with an unknown source of faecal pollution, would allow its source to be determined,» he adds.
«Just try to
analyse a
water sample while scrolling through pages of a procedure manual displayed on a computer monitor while you and the computer both float
in microgravity,» says US astronaut Michael Fincke, who spent six months on the station
in 2004.