article_snippet: the research was carried out by scientists from the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland, the University of Edinburgh and Durham University.
article_snippet: Dr David Harvey from EFPL told MailOnline.
article_snippet: There is something missing.
article_snippet: ‘glued’ together in an ensemble.
article_snippet: This makes it very difficult stuff to work with.
article_snippet: But it is very difficult to find. 