They're called that because they are ideal for surveillance activities. The outer edges of the inside of the lens are coated with a silver-like substance which reflects what's going on behind you on either side. Even the lens are angled in such a way that they facilitate seeing clearly behind you. Large numbers of these glasses have been sold to cycling clubs as an ideal way of watching the traffic without having to rubberneck. Once again, ideal for Private Dicks and ... er, really paranoid people. Available at an RRP of AUS$45 from ozspy.com.au
About the Author
Mike grew up thinking he would become a mathematician, accidentally started motorcycle racing, got a job writing road tests for a motorcycle magazine while at university, and became a writer. As a travelling photojournalist during his early career, his work was published in a dozen languages across 20+ countries. He went on to edit or manage over 50 print publications, with target audiences ranging from pensioners to plumbers, many different sports, many car and motorcycle magazines, with many more in the fields of communication - narrow subject magazines on topics such as advertising, marketing, visual communications, design, presentation and direct marketing. Then came the internet and Mike managed internet projects for Australia's largest multimedia company, Telstra.com.au (Australia's largest Telco), Seek.com.au (Australia's largest employment site), top100.com.au, hitwise.com, and a dozen other internet start-ups before founding Gizmag in 2002. Now he writes and thinks.
All articles by Mike Hanlon