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Related Concept Videos

Mnemonic Devices01:23

Mnemonic Devices

419
Mnemonic devices are cognitive tools that facilitate memory retention by linking new information to familiar patterns or organizational strategies. These techniques are beneficial for remembering complex or lengthy sets of information by simplifying and structuring them in easily retrievable ways.
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
419
Non-ohmic Devices00:51

Non-ohmic Devices

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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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Surveys02:16

Surveys

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Balancing Redox Equations02:58

Balancing Redox Equations

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Electrochemistry is the science involved in the interconversion of electrical and chemical reactions. Such reactions are called reduction-oxidation, or redox reactions. These important reactions are defined by changes in oxidation states for one or more reactant elements and include a subset of reactions involving the transfer of electrons between reactant species. Electrochemistry as a field has evolved to yield sufficient insights on the fundamental principles of redox chemistry and multiple...
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Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

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Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
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Related Experiment Video

Updated: Jan 28, 2026

A Microcontroller Operated Device for the Generation of Liquid Extracts from Conventional Cigarette Smoke and Electronic Cigarette Aerosol
09:30

A Microcontroller Operated Device for the Generation of Liquid Extracts from Conventional Cigarette Smoke and Electronic Cigarette Aerosol

Published on: January 18, 2018

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E-Cigarettes and Similar Devices.

Brian P Jenssen, Susan C Walley,

    Pediatrics
    |March 6, 2019
    PubMed
    Summary

    Electronic cigarettes (e-cigarettes) are unsafe for youth and can lead to traditional cigarette use. Regulation and counterpromotion are needed to protect young people from these harmful tobacco products.

    Area of Science:

    • Public Health
    • Adolescent Health
    • Tobacco Control

    Background:

    • Electronic cigarettes (e-cigarettes) are the most prevalent tobacco product among youth.
    • The 2016 US Surgeon General's Report identified e-cigarettes as unsafe for children and adolescents.
    • Youth e-cigarette use is a significant risk factor for subsequent traditional cigarette smoking.

    Purpose of the Study:

    • To highlight the public health risks associated with youth e-cigarette use.
    • To emphasize the link between e-cigarette initiation and traditional cigarette smoking.
    • To advocate for protective measures against youth tobacco product use.

    Main Methods:

    • Review of existing scientific literature and reports, including the 2016 US Surgeon General's Report.

    More Related Videos

    Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies
    08:39

    Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies

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    Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
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    Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System

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    Related Experiment Videos

    Last Updated: Jan 28, 2026

    A Microcontroller Operated Device for the Generation of Liquid Extracts from Conventional Cigarette Smoke and Electronic Cigarette Aerosol
    09:30

    A Microcontroller Operated Device for the Generation of Liquid Extracts from Conventional Cigarette Smoke and Electronic Cigarette Aerosol

    Published on: January 18, 2018

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    Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies
    08:39

    Generation of Electronic Cigarette Aerosol by a Third-Generation Machine-Vaping Device: Application to Toxicological Studies

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    Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
    10:44

    Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System

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  • Analysis of marketing strategies employed by e-cigarette manufacturers targeting youth.
  • Examination of toxicants and carcinogens present in e-cigarette aerosol and solutions.

    • Main Results:

    • E-cigarettes are widely used by youth and deemed unsafe for this demographic.
    • A strong correlation exists between adolescent e-cigarette use and progression to traditional cigarettes.
    • E-cigarette products contain numerous toxicants and carcinogens, posing risks through direct use and secondhand aerosol exposure.
    • Marketing tactics, including appealing flavors, are used to attract young consumers.

    Conclusions:

    • Urgent need for e-cigarette regulation and legislative action to protect youth.
    • Counterpromotion strategies are essential to mitigate public health harm.
    • Preventing youth transition from e-cigarettes to traditional cigarettes is a critical public health goal.