1. Which of the following is used to observe the unseen?
A. Hydrophobocity Microscopes
B. Magnetos
C. Atomic Force Tunnelers
D. Scanning Tunneling Microscopes
2. Nanotools, like the Atomic Force Microscope, allow us to build atom by atom.
A. True
B. False
3. What might be a concern about the use of nanotechnology?
A. Nanobased materials could be toxic.
B. Nanoparticles may build up in the brain or liver.
C. Nanoparticles may not break down in the environment.
D. All of the above are legitimate concerns about nanotechnology.