Hamburg's St. Pauli is one of the world's most famous red light districts, attracting around 20 million visitors a year, and a good number of those visitors urinate in public places. Now, in a fit of poetic justice, the walls of St. Pauli are being upgraded so they retaliate on micturators in kind.
Nissan is currently testing out a prototype that it says could make car washes a relic of the past. The test car benefits from a new nano-paint treatment that repels dirt and grime. The automaker is putting the car through the dirty wringer to see how well it holds up in the real world.