nano effect with left hand lens,
http://blogs.zdnet.com/emergingtech/?p=653
"In theory the discovery could be used to levitate a person"
http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/08/06/nlevitate106.xml
http://news.bbc.co.uk/2/hi/uk_news/scotland/edinburgh_and_east/6932283.stm