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Related Concept Videos

Downsampling01:20

Downsampling

432
When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
432
Elaborative Rehearsals01:07

Elaborative Rehearsals

189
Elaborative rehearsal is a crucial cognitive strategy that strengthens information encoding in long-term memory by making meaningful connections between new data and pre-existing knowledge. This approach contrasts with maintenance rehearsal, which involves simple repetition without delving into the significance of the information. While maintenance rehearsal might temporarily keep information active in short-term memory, it is less effective for long-term retention.
The effectiveness of...
189
Mixing Concrete01:30

Mixing Concrete

238
Concrete mixing ensures a homogenous blend where aggregates are well-coated with cement paste. Concrete mixing is typically done using two main types of mixers: batch and continuous. Batch mixers handle one batch at a time, thoroughly combining materials before discharging and receiving the next batch. In contrast, continuous mixers receive a steady flow of ingredients, mixing them consistently and discharging without interruption. Within batch mixers, tilting drum mixers mix with internal...
238
Design Example: Vintage Mixing Console01:17

Design Example: Vintage Mixing Console

389
A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
389
Taping Over Different Ground Profiles01:12

Taping Over Different Ground Profiles

170
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
170
Sample Handling01:02

Sample Handling

461
Transportation of samples from the collection point to the laboratory, as well as storage and preservation techniques, are crucial for maintaining sample integrity and ensuring accurate and reliable test results.
Samples should be transported carefully from collection points to the laboratory. They should be properly sealed and clearly labeled to prevent cross-contamination. To preserve the sample integrity, optimal temperature conditions during transport are essential. This could involve using...
461

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Development of a Virtual Reality Assessment of Everyday Living Skills
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Redoing the Demos.

Bruce Jennings

    The Hastings Center Report
    |February 25, 2021
    PubMed
    Summary
    This summary is machine-generated.

    Extreme economic inequality and cultural polarization threaten Western democracies. Revitalizing democratic citizenship requires building care structures and fostering egalitarian solidarity for moral recognition and civic learning.

    Keywords:
    carecitizenshipcommon gooddemocracyparticipationsolidarity

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    Area of Science:

    • Political Science
    • Sociology
    • Ethics

    Background:

    • Western democracies face erosion due to economic inequality, cultural polarization, and commodification.
    • Political corruption, manipulation, and authoritarian nationalism exacerbate these challenges.

    Purpose of the Study:

    • To identify and explore underpinnings of democratic citizenship and civic learning.
    • To propose solutions for revitalizing democratic practices through care and solidarity.

    Main Methods:

    • Conceptual analysis of democratic theory.
    • Exploration of social and relational lifeworlds.
    • Examination of moral recognition and mutuality in civic practices.

    Main Results:

    • Economic inequality, polarization, and commodification undermine democratic institutions.
    • Care structures and egalitarian solidarity are vital for democratic citizenship.
    • Solidarity and care are essential for moral recognition, political agency, and freedom.

    Conclusions:

    • Democratic governance depends on social solidarity and care.
    • Revitalizing democratic citizenship requires rebuilding care structures and inclusive solidarity.
    • The social-relational and democratic lifeworlds are interdependent, with governance drawing legitimacy from civic foundations.