0.01 to 0.001 meters
0.000 1 to 0.000 001
Smaller than a nanometer
Bottom up fabrication
Top down fabrication
Hydrophobic surface of a lotus plant
Hydrophylic surface of a pitcher plant
Sticky pads on the bottom of an ant's foot
Gold that can stretch to form flexibile electronics
Location and destruction of cancerous cells
Antibacterial food containers
Rigid, lightweight building materials
All of the above are possible
Atomic Force Tunnelers
Scanning Tunneling Microscopes
Nanobased materials could be toxic.
Nanoparticles may build up in the brain or liver.
Nanoparticles may not break down in the environment.
All of the above are legitimate concerns about nanotechnology.
Attracted to water, causing it to spread out.
Repels water, causing it to bead up.
They already exist. For example, a virus in your body.
Scientists have created a nanobot that travels through your bloodstream "zapping" cancerous cells
Scientists have created a small vehicle with a door and tires that can drive around inside your bloodstream.
A red blood cell
Width of a DNA molecule
Thickness of a cell membrane
A water molecule