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Related Concept Videos

Distribution of Molecular Speeds01:27

Distribution of Molecular Speeds

The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of molecular speeds. This predictable distribution of molecular speeds is known as the Maxwell-Boltzmann distribution. The distribution of molecular speeds in liquids is comparable to that of gases but not identical and can help to understand the phenomenon of the boiling and vapor pressure of a liquid. Consider that a molecule requires a...
Speed of a Transverse Wave01:13

Speed of a Transverse Wave

The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings and the wavelength determine the frequency of the sound produced. The strings on a guitar have different thicknesses but may be made of similar material. They have different linear densities, and the linear density is defined as the mass per length.
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Speed of Sound in Solids and Liquids

Most solids and liquids are incompressible—their densities remain constant throughout. In the presence of an external force, the molecules tend to restore to their original positions, which is only possible because the constituents interact. The interactions help the constituents pass on information about external disturbances, like sound waves. Therefore, sound waves travel faster through these media. Compared to solids, the constituents in a liquid are less tightly bound. Thus, sound waves...
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Diversity in Cell Signaling Responses01:22

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Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:

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Related Experiment Video

Updated: Jun 23, 2026

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
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When speed truly matters, openness is the answer.

Antonio Marturano1

  • 1Sacred Heart Catholic University of Rome and LUISS University of Rome, Italy. marturanoa@luiss.it

Bioethics
|May 15, 2009
PubMed
Summary

This study compares proprietary patent-and-publish genomics research with free and open-source methodologies. Open-source science prioritizes intrinsic values, fostering a more transformative approach to research compared to transactional patenting.

Area of Science:

  • Genomics Research Ethics
  • Biotechnology Methodologies
  • Intellectual Property in Science

Background:

  • Genomic research has accelerated due to advancements in computer technology.
  • Two primary methodologies, patent-and-publish and open-source, compete in the field.
  • The open-source approach emerged as an alternative to proprietary models.

Purpose of the Study:

  • To analyze the ethical implications of competing genomic research methodologies.
  • To offer a novel perspective beyond mainstream legal and public policy analyses.
  • To compare the proprietary regime (J. Craig Venter) with open-source methodologies (John Sulston).

Main Methods:

  • Comparative analysis of two distinct genomic research methodologies.
  • Examination of the 'patent-and-publish' (proprietary) regime.

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  • Description of 'free and open-source' (FLOSS) methodologies in biotechnology.
  • Main Results:

    • The patent-and-publish method is transactional, exchanging patents for research funds.
    • Free and open-source methodology (FLOSS) is transformational, driven by scientific ideals.
    • FLOSS prioritizes intrinsic scientific goods over extrinsic rewards.

    Conclusions:

    • Open-source methodologies represent a visionary ideal in science.
    • This approach fosters a prioritization of intrinsic values in research.
    • Ethical considerations favor transformational, open-source models in genomics.