Facial Recognition System Detects Pain

Oh, what the future has in store. Above: Polish architect Krzysztof Kotala, owner of 8 8 Concept Studio in Warsaw, wants to build a tennis court off the coast of Dubai, a proving ground for audacious feats of engineering. The dome-shaped structure would accommodate seven courts as well as a rooftop coral reef to attract sea life. Critics say there are too many technical challenges to overcome, such as manufacturing much larger sheets of glass than exist today in order to reduce the number of joints. But come on, it's Dubai, home to the tallest building in the world, artificial islands, and an indoor ski resort.