Check these websites for useful

information:

http://www.scienceclarified.com/s

citech/Lasers/The-Future-of-the-

Laser.html

http://www.wired.com/autopia/20

09/02/beamed-energy-i/

www.airpower.au.af.mil/.../breen.

html

SPEAKING: Laser Problems and Difficulties

17. Prepare a presentation and take part in a round-table talk on the subject of the future of lasers, their advantages and disadvantages, problems and difficulties. Discuss if there are many reasons for future laser development and how effective it is. Use the Supplementary Reading section text “Laser Weapons” and the links from “Get Real” as well as any relevant information found.

When it’s a discussion it’s necessary to prove your point of view, to persuade your counterpart. When you set out to persuade someone, you want them to accept your opinion on an issue: you want to change that person's mind to your way of thinking. When you are trying to persuade, your argument is expected to be more passionate.

The following persuasive discourse markers may help you: