the next generation of airplanes has arrived. they have bigger seats. their windows are larger. they have more space for luggage. And they are coming to an airports near you. these new airplanes ,such as the Boeing 787 Dreamliner or Bombardier CSeries,are more comfortable for passengers. they also benefit the environment. By using less fuel, they will create less pollution. Airline companies are excited, but scientist wonder if the airplanes' designers could do even more.