In Japan,the shibori method involves tieing cloth in different ways so that some areas of it receive the dye.
VOA: special.2009.11.04
He led the team of scientists. They developed a new method of making maps of hard-to-reach areas.
VOA: special.2009.11.17
Dr Naor thinks that computerised versions of his method could have widespread applications in areas such as banking, where the secure exchange of information requires the comparison of passwords.
To be able to do this would mean creating an efficient and effective methodof certifying what were and were not conflict minerals from those areas such as the Congo.