What happened since 2009?
http://www.newscientist.com/article/dn17350-nasa-criticised-for-sticking-to- imperial-units.html#.Udy52qzAHFA John Altounji One size does not fit all. Social promotion ruined Education.
What happened since 2009?
http://www.newscientist.com/article/dn17350-nasa-criticised-for-sticking-to- imperial-units.html#.Udy52qzAHFA John Altounji One size does not fit all. Social promotion ruined Education.