Danville inventor’s small idea has big possibilities

http://www.contracostatimes.com/bay-area-news/ci_20299289/danville-inventors-small-idea-has-big-possibilities

  • Steven Klein has invented water bottles that can be built into a toy airplane, a toy car, a robot and can even be used as insulation for homes.
  • And because the air inside makes for a good insulator, the bottles could be stacked against walls and used as low-cost insulation for buildings.