A few weeks after the first nuclear bomb tests on Bikini Atoll in the Pacific, French designer Louis Reard created a new swimsuit called the bikini. It caused a sensation. Almost no one realized that 2,000 years earlier, the Romans had the same idea. Reard is not alone in finding out that he was not the first with his "new" idea - many technologies like concrete, surgical instruments, window glass, double paned windows, plywood, sports arenas are not new ideas at all - they were all created by the Romans.