How would you go about measuring the diameter of a crator on the moon? As this will involve working at night, the first thing Ellen has to do is make some candles to shed a little light on the matter.
Ellen McCallie. Ellen is a tropical ecologist and an educator who integrates research and education in varied locations - from forests of Brazil to venues in central London.
First published on Wed, 19 Jul 2006 as Rough Science 4 Death Valley: Ellen McCallie's diary: Impact. To find out more visit The Open University's Openlearn website. Copyright 2006
First published on Wed, 19 Jul 2006 as Rough Science 4 Death Valley: Ellen McCallie's diary: Impact. To find out more visit The Open University's Openlearn website. Copyright 2006