Nanoscience 1 -5

What is the metric system?

An international system of units; decimalized system

The us system is

Inches, feet, yard mile

What is the smallest unit?

Angstrom

True or false one nanometer is 1 billionth of a meter

True

Nanoscale objects varies from

1nm to 100 nm

Nanoscience is

The study of fundamental principles of molecules and structures with the dimensions of 1mm to 100nm

Nanotechnology

It is the ability to create, observe measure manipulate and manufacture things at nanoscale

Products that use nanotechnology

Glass

Fabric

Antibacterial cookware

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What kind of treatment do people get when they are suffering from cancer?

Nano particles have potential kill cancer cells

Define atom

Smallest constituent unit of matter

Subatomic particles are

Electrons protons and neutrons

Electrons are

Negatively charged

Protons are

Positively charged

Neutrons

Doesn't have a charge

Objects between 1 to 100 nm

Nanoscale objects

Objects between 1 micro to 100 micro

Micrometer objects

Objects than are 1 meter and larger

Macroscale

Examples of nanoscale objects

Atoms, DNA, Protein, Viruses

Bacteria

Living organisms that have only one cell

Virus

is a microrganism that infects cells and may cause diseases

DNA

the molecule inside cells that contain the genetic information responsible for The development and function of an organism

Protein

are large, complex molecules made up of amino acids that play many critical roles in the body

Red blood cells

Cells that deliver oxygen to the tissues

White blood cells

Protect us against infectious disease

Is DNA a molecule?

Yes

What is the largest percentage of revenue globally generated?

Medical

Top 3 countries that are active in the production of nanotechnology?

China, Germany, and USA

What kind of nanoparticles were used in the Lycurgus Cup to make it show different color?

40 ppm gold and 300 ppm silver nanoparticles

the first used of what was the start of man made nanoparticles?

Fire

Roman technology was

4th century Lycurgus cup

In ancient stained glass, different colors were generated by putting finely ground _____ in glass

Gold or Silver

Who is Richard Feynman?

Founder of Nanotechnology; Theoretical Physicist

What was Feynman speech called?

There’s plenty space for the bottom

What was the challenges Robert had made?

Building an electric Motor in a 1/64 Inch Cube and Reduce a page of a book by a factor of 25k

In 1960 who claimed the first prize of Feynman’s challenges?

Bill Mclellan

In 1985 what was the machine for the second prize of Feynman’s challenges?

Election Beam Lithography

Scanning tunneling microscope is used to

Image single atoms

Scanning tunneling microscope was discovered by

Gerd Binning

What is Grey goo?

A hypothetical substance composed of out-of-control self-replicating nanobots that consumed all living matter on Earth

Who is the writer of “Engines of Creation”?

Eric Dexter

Physicist does what?

Properties of matter at the nanoscale

Chemists deal with what?

construction of molecules

Biologist

Naturally occurring Nano structures living Nano-machines such as Protein and DNA

Material scientist and engineers does what?

How to apply nanoscience to make new superior products in

medicine

industry

recreation

environment

Name some intentionally produced categories of nanoscience

Carbon Based Nanomaterials

Metal Based nanomaterials

Dendrimers

What are the two main Carbon Based Nanomaterials?

Carbon Bucky Balls

Caron Nanotubes

Carbon Bucky Balls are shaped like what

soccer balls

Allotropes are

molecules made up of same atoms, but different arrangements

True or False: Arrangement of carbon atoms can determine if it will be harder like diamond or softer like pencil lead

true

Is steel stronger than carbon nanatubes?

No

Are nanotubes are allotropes?

Yes

What would a space elevator will reduce?

Reduce the cost of sending rockets

What would the material of the “tether” for the space elevator>

Carbon Nanotubes

Metal based nanomaterials

Quantum Dots

Nanosilver, nangold and metal oxide

Applications for metal based nanomaterials

sunscreen

surgical instruments

detection of tumors

self cleaning windows

what are Dendrimers?

spherical branching structures made of different elements

Dendrimers applications?

report location of tumor

recognizing cancer cells

Cabon Based nanomaterials

Drug Delivery