"Creativity is shaped by what technology can do," says Paco Perez Paco Perez is experimenting. The chef has won several Michelin stars for his restaurants. At one of them, La Enoteca at the Hotel Arts in Barcelona, he is busy creating a new dish. He places a plate inside a strange-looking machine that looks a bit like a large microwave oven. He touches the controls, and a few minutes later, remove