The invention of the scanning tunneling microscope enabled scientists to observe

(a) the structure of water

(b) distant objects in space

(c) molecules and even atoms in greater detail than ever before

3. The speech "There's Plenty of Room at the Bottom" by a Nobel Prize winner Richard Feynman is discusses the theory...

(a) that scientists can make devices about the size of atoms

(b) that carbon dioxide can be turned into carbon sixty

(c) that scientists cannot go further than the size of atoms in making devices

4. When did scientists first begin to think about using nanotechnologies to make extre­mely small devices?

(a) after the period of industrial revolution

(b) after the development of carbon nano-tubes

(c) after IBM supported research

5. What was not mentioned in the report as a use of the nanotube?

(a) film

(b) flat material

(c) glass

6. Where, according to the report, can nanotechnologies be used?

(a) in production of sporting goods and machines that reduce air pollution

(b) in the machine building industry

(c) in the computer design industry

7. What is one prospect for nanotechnolo­gies in computer science?

(a) nanotechnologies will make computers affordable for everyone

(b) nanotechnologies will help to make small, and fast computers

(c) nanotechnologies will help to make transistors useless

8. What is Intel famous for?

(a) the personal computer

(b) the micro chip with tiny transistors

(c) the micro computer

9. What are the most current issues nano­technologists deal with?

(a) to create a nano-sized transistors

(b) to make nano-sized transistors work in Hewlett Packard computers

(c) to stop competition between Intel and Hewlett Packard

10. What danger of nanotechnologies was not mentioned in the report?

(a) nano-particles in mobile phones cause cancer into laboratory mice

(b) nano-particles caused lung damage into laboratory mice

(c) nano-particles can harm the human body's ability to fight infection

11. What is known about the effect of nanotechnologies on the environment?

(a) nanotechnologies have a positive effect

(b) nanotechnologies have a negative effect

(c) not much is known about the effect of nanotechnologies on the environment