Nano and Technology Lecture Quiz

Nanometer

• A nanometer (nm) is a unit of measurement equal to one billionth of a meter (1 nm = 10^-9 meters).
• This scale is crucial in the study of materials and molecules at the atomic level.

Definition of Nanotechnology

• The term 'Nanotechnology' was defined in 1974 by physicist Norio Taniguchi.
• It refers to the manipulation and engineering of materials at the nanoscale, typically ranging from 1 to 100 nanometers.

Nanoscience

• Nanoscience is the study of phenomena and manipulation of materials at the nanoscale.
• It encompasses various fields including physics, chemistry, biology, and materials science.

Invention of the Scanning Tunneling Microscope

• The invention of the scanning tunneling microscope (STM) in 1981 by Gerd Binnig and Heinrich Rohrer enabled visualization and manipulation of individual atoms.
• This breakthrough allowed scientists to explore electronic properties and led to advancements in nanotechnology and nanoscience.

Human Hair vs. Nanomaterial Shapes

• The average width of a human hair is approximately 80,000 to 100,000 nanometers.
• Nanomaterials can have dimensions that are one hundred thousand times smaller than a human hair, typically within the range of 1 to 100 nanometers.

Test your knowledge about nanometer, nanostructured materials, technology, nanoscience, and nanotechnology with this quiz based on a lecture by Dr. Nada Elgiddawy.