Unit 1a Book

As stated in the introduction, since you may not be one of those sailing in the ocean very often, this unit will also discuss another system that is more common in our everyday lives, has the potential to prevent accidents or even save lives, and is somehow linked to electrical engineering. Read about one of those systems in this reading comprehension task.

Now you know the story behind the invention of a lightning rod. But how about the technical principle of a lightning rod? Find it out in the video.

As you watch the video, complete this listening comprehension task. Finally, watch the video.

You will see how lightning protection technology has advanced since the time of Ben Franklin. Although the idea of a laser lightning rod is still in the development stage, it may one day revolutionize the way we protect tall buildings and other tall structures. As you watch the video, complete another listening comprehension task here.