Nanotechnology Overview in Cosmetics
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Questions and Answers

The first part of the title of the article shows the ______ topic and the second part shows the ______ topic.

The first part of the title of the article shows the ___ topic and the second part shows the ___ topic.

general, specific

What main idea does the metaphor in P1 illustrate?

  • Manipulating atoms and molecules on a nanoscale is like building things with LEGO. (correct)
  • Using nanotechnology you can manipulate objects at the nanoscale.
  • Nanotechnology is a very promising area of research and development.
  • The ability to make new things on an incredibly small scale is fun.
  • Match the terms from the box below with their definitions.

    <p>Electron microscope = It is the study of things in order to know more about them. Science = A powerful instrument that enlarges tiny images. Technology = It is the application of science in order to solve a problem. Nanoscopic = It describes something which is a billionth of a meter in size.</p> Signup and view all the answers

    What "new meaning" does science and technology gain on the nanoscale?

    <p>At the nanoscale, scientists are able to study and learn how atoms and molecules actually work. (B)</p> Signup and view all the answers

    What is the difference between nanoscience and nanotechnology?

    <p>Nanoscience studies how things work at the nanoscale. Nanotechnology uses this knowledge from science to create useful tools or products.</p> Signup and view all the answers

    The nanoscopic scale is sometimes marked as the point where the properties of a material ___ their properties. At this scale, the atoms and molecules ___ differently. Since many chemical and other physical reactions happen at the ___ of a material, this exaggerates a nanoparticle's properties.

    <p>change, behave, surface</p> Signup and view all the answers

    What two examples do the authors provide to illustrate the idea mentioned above (See 5a)? Give two examples.

    <p>Gold become chemically active. Carbon become super hard in nanotubes.</p> Signup and view all the answers

    What is the dominant factor on the nanoscale?

    <p>Electromagnetic force (A)</p> Signup and view all the answers

    AFMs, SPMs, and STMs are similar in that they are all types of ___ that enable scientists to ___ and ___ atoms on the nanoscale.

    <p>electron microscopes, see, manipulate</p> Signup and view all the answers

    What point do the examples in paragraph 10 illustrate?

    <p>Materials and products based on nanotechnology are already in use. (B)</p> Signup and view all the answers

    Carbon nanotubes are very strong due to their ___ and how they ___ together.

    <p>dense structure, bond</p> Signup and view all the answers

    What is the connection between Moore's Law and nanotechnology?

    <p>Moore's Law describes the trend of increasing computing power, and nanotechnology helps make smaller and more efficient electronic components.</p> Signup and view all the answers

    What natural example does the example refer to in the first sentence of paragraph 14? (Natural examples like this...)

    <p>E. Coli bacteria use a tiny nanotech tail to move.</p> Signup and view all the answers

    What were the main contributions to nanotechnology of the following individuals?

    <p>Bill Clinton = He initiated the NNI, the US federal government program for the science, engineering, and technology research and development for nanoscale projects. Eric Dexler = He published a book that popularized the potential of molecular nanotechnology. Richard Feynman = He came up with the concept that atom and molecules could be manipulated. Norio Taniguchi = He coined the term &quot;nanotechnology&quot; for studying atoms and molecules at the nanoscale. Eric Pexler = He is a nanoscientist who is considered the &quot;father of&quot; carbon nanotubes. Sumio lijima = He published a book that popularized the potential of molecular nanotechnology.</p> Signup and view all the answers

    What main point does the author want to make in paragraph 17?

    <p>Although the technological advances of the 20th century changed our world, those of the 21st century will bring even greater change. (C)</p> Signup and view all the answers

    What main concern does the author have regarding nanotechnology?

    <p>Its complexity could make it difficult to fully understand and control its effects.</p> Signup and view all the answers

    Is the author optimistic or pessimistic regarding the future of nanotechnology?

    <p>Optimistic (A)</p> Signup and view all the answers

    Support your answer to the question above with a quote from the text.

    <p>The author mentions that the benefits of nanotechnology will come in the future, but it is already having a positive impact. Nanotechnology will influence every area of technology and science.</p> Signup and view all the answers

    As head of logistics, what would be your main concern about using cosmetic products with nanotechnology?

    <p>Safety and potential toxicity of nanotechnology in products.</p> Signup and view all the answers

    What do you think would be the main benefit of using cosmetic products with nanotechnology?

    <p>Improve product performance and functionality.</p> Signup and view all the answers

    Flashcards

    Nanotechnology

    The manipulation of matter on an atomic scale.

    Nanoscience

    The study of materials and systems at the nanoscale.

    Technology

    The application of scientific knowledge to solve problems.

    Electron microscope

    An instrument to magnify tiny images using electrons.

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    Nanoscopic

    Refers to measurements in billionths of a meter.

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    Nanoscale

    The scale at which unique properties of materials emerge.

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    Electromagnetic force

    The dominant force affecting atoms on the nanoscale.

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    Carbon nanotubes

    Strong structures made of carbon atoms bonded in a tube form.

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    Moore's Law

    The observation that computing power doubles approximately every two years.

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    AFMs, SPMs, STMs

    Types of electron microscopes for manipulating nanoscale atoms.

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    Main concern of nanotechnology

    Potential safety and environmental risks of nanoscale products.

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    Main benefit of nanotechnology

    Enhancement of product performance and functionality.

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    Natural example of nanotech

    E. coli bacteria with a nanotech tail for movement.

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    Feynman’s contribution

    Proposed manipulating atoms and molecules.

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    Norio Taniguchi

    Coinded the term 'nanotechnology'.

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    Eric Drexler

    Popularized molecular nanotechnology through his publications.

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    Sumio Iijima

    Considered the 'father of' carbon nanotubes.

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    Bill Clinton's role

    Initiated the NNI for nanoscale research support.

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    Optimistic view of nanotech

    Belief that benefits will emerge in various fields.

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    Pessimistic view of nanotech

    Concerns about complexity and potential hazards.

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    Nanodream

    Vision of future advancements from nanotechnology.

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    Nanonightmare

    Fears regarding the uncontrolled effects of nanotech.

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    Unique properties at nanoscale

    Different physical and chemical behaviors observed at nanoscale.

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    Surface reactions

    Chemical and physical reactions that happen at a material's surface.

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    Products using nanotechnology

    Many current materials and cosmetics use nanotech advancements.

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    Manipulation on nanoscale

    Adjusting and controlling atoms and molecules for use.

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    Study Notes

    Nanotechnology: Overview

    • This is an overview of nanotechnology
    • The document describes nanotechnology in the context of cosmetics and hygiene products
    • It aims to explain the concept for a group of colleagues
    • Includes an introduction, discussion of 'how big is nano,' definitions, further applications, and history

    Title Function

    • First part: General topic of the article
    • Second part: Specific topic of the article

    Introduction

    • Nanotechnology is a promising research area
    • Manipulating objects at the nanoscale is like building with LEGOs

    How Big Is Nano

    • Nanoscale is a billionth of a meter
    • Manipulating atoms and molecules is the main topic discussed

    Definitions

    • Science: The study of things to learn more about them
    • Electron microscope: A powerful instrument to enlarge tiny images
    • Technology: The application of science to solve problems
    • Nanoscopic: Describes something a billionth of a meter in size

    What "New Meaning" Does Science and Technology Gain on the Nanoscale?

    • Scientists can study and understand how atoms and molecules work at the nanoscale.

    Nanoscience vs Nanotechnology

    • Nanoscience studies how things work on the nanoscale
    • Nanotechnology uses this knowledge to create useful tools and products

    What's So Good About the Nanoscale? (Summary)

    • At the nanoscale, the properties of materials change
    • Nanoparticles behave differently due to reactions at the surface

    Examples of Nanoscale Material Behavior

    • Gold can become chemically active
    • Carbon can become super strong in nanotubes

    Dominant Factor on the Nanoscale

    • Electromagnetic force is the dominant factor

    Nanotechnology Applications

    • Products using nanotechnology are already in use
    • Nanotechnology is used for coatings and structures
    • Nanowhiskers are a manufacturing material
    • Carbon nanotubes are very strong due to their dense structure

    Moore's Law and Nanotechnology

    • Nanotechnology improves the efficiency of processes
    • Smaller and more efficient electronic components are created

    History of Nanotechnology

    • Natural examples include the way that bacteria move using nanotech tails

    Main Contributors to Nanotechnology

    • Key individuals and their contributions are discussed (e.g., Feynman, Taniguchi, and others)

    Nanotechnology: Nanodream or Nanonightmare?

    • Technological advances in the 20th century led to significant changes
    • Nanotechnological advances of the 21st century will bring even greater change

    Main Concern Regarding Nanotechnology

    • The complexity of nanotechnology makes it difficult to fully understand its effects
    • Understanding risks (to humans and the environment) and unintended consequences

    Optimistic or Pessimistic regarding Future of Nanotechnology?

    • This document does not take a position, but summarizes a debate about the impacts of nanotechnology

    Application Question: Concerns about Nanotechnology Products

    • Safety and potential toxicity of nanotechnology in products is a concern

    Application Question: Benefits of Nanotechnology Products

    • Improving product performance and functionality is a benefit

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    Nanotechnology: An Overview PDF

    Description

    This quiz provides an overview of nanotechnology, focusing specifically on its applications in cosmetics and hygiene products. It discusses the nanoscale, key definitions, and the historical context of this promising research area. Ideal for a group of colleagues looking to understand the fundamentals of nanotechnology.

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