There are many different ways to use technology in security.
In other words, all your personal information can be put onto one identity card.
Take, for example, how many books and articles you can read online.
The internet has completely changed our access to information.
Over the last fifty years, there have been many great achievements in space travel and technology
For example, closed circuit television (CCTV) is on our streets and in public places.
Furthermore, robots have now landed and travelled on Mars.
Firstly, Russia put the first satellite in space in 1957. Now there are thousands in space.
