Unit 3a Book

The space industry is one of the domains that illustrate the huge technological advancement humankind has made. Nowadays, not all rockets land in the way described in Unit 3 in your book. No, I am not talking about space shuttles that land like planes. What I mean is the Falcon 9 project of the SpaceX corporation. Although the technology is not yet without problems, the Falcon rocket has managed several vertical landings, thus copying the launch, but in the opposite direction. The rocket can then be reused, saving sums of money. What is more, the rocket is capable of landing at sea, as you can see in the video

Watch the video and complete this listening comprehension task.

The aviation and space industries are not the only areas in which automatic systems are triggered in an emergency. A common safety system is, for example, an airbag. Read about airbags in this reading comprehension task.