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A British company is working on a new navigation system that doesn't rely on GPS satellites to track your location. BAE has created Navsop, a device that picks up errant cell phone, radio and television signals to deduce your coordinates, which means it can be used in locations where traditional ...
Traffic lights using state-of-the-art LED illumination use 90 percent less electricity, offer a much longer service life and are more durable than their incandescent counterparts. Taking advantage of the countless benefits, cities around the country have been replacing traditional filament-based ...