Is air getting into the bottle ... There are many other, more advanced, rocket designs. Some people compete in national competitions. Explore the Internet for inspiration and see how you can ...

Air passenger numbers are expected to increase ... that launch satellites won't spend the money to improve their rockets designs unless all of them are required to do so," said Dr. Byers.

We have fond memories of air-water rockets, which were always a dime store purchase for summertime fun in the pool. Despite strict guidance from mom to shoot them only straight up, the first ...