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  2. Marketplace of ideas - Wikipedia

    en.wikipedia.org/wiki/Marketplace_of_ideas

    The marketplace of ideas is a rationale for freedom of expression based on an analogy to the economic concept of a free market.The marketplace of ideas holds that the truth will emerge from the competition of ideas in free, transparent public discourse and concludes that ideas and ideologies will be culled according to their superiority or inferiority and widespread acceptance among the ...

  3. Idea–expression distinction - Wikipedia

    en.wikipedia.org/wiki/Idea–expression_distinction

    A difficulty posed by the idea-expression distinction is that "[n]obody has ever been able to fix that boundary, and nobody ever can", as Judge Learned Hand wrote for the Second Circuit Court of Appeals in 1930's Nichols v. Universal Pictures Corp., holding that while a fictional character can be copyrighted, it must be well-developed. [24]

  4. Intellectual freedom - Wikipedia

    en.wikipedia.org/wiki/Intellectual_freedom

    Intellectual freedom encompasses many areas including issues of academic freedom, Internet filtering, and censorship. [4] Because proponents of intellectual freedom value an individual's right to choose informational concepts and media to formulate thought and opinion without repercussion, restrictions to access and barriers to privacy of information constitute intellectual freedom issues.

  5. Trade secret - Wikipedia

    en.wikipedia.org/wiki/Trade_secret

    As a company can protect its confidential information through NDA, work-for-hire, and non-compete contracts with its stakeholders (within the constraints of employment law, including only restraint that is reasonable in geographic- and time-scope), these protective contractual measures effectively create a monopoly on secret information that ...

  6. Intellectual property - Wikipedia

    en.wikipedia.org/wiki/Intellectual_property

    In the United States, trade secrets are protected under state law, and states have nearly universally adopted the Uniform Trade Secrets Act. The United States also has federal law in the form of the Economic Espionage Act of 1996 (18 U.S.C. §§ 1831–1839), which makes the theft or misappropriation of a trade secret a federal crime. This law ...

  7. Emissions trading - Wikipedia

    en.wikipedia.org/wiki/Emissions_trading

    A coal power plant in Germany. Due to emissions trading, coal may become a less competitive fuel than other options. Emissions trading is a market-oriented approach to controlling pollution by providing economic incentives for reducing the emissions of pollutants. [1]

  8. Postulates of special relativity - Wikipedia

    en.wikipedia.org/wiki/Postulates_of_special...

    1. First postulate (principle of relativity) The laws of physics take the same form in all inertial frames of reference.. 2. Second postulate (invariance of c) . As measured in any inertial frame of reference, light is always propagated in empty space with a definite velocity c that is independent of the state of motion of the emitting body.

  9. Conservation of energy - Wikipedia

    en.wikipedia.org/wiki/Conservation_of_energy

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Law of physics and chemistry This article is about the law of conservation of energy in physics. For sustainable energy resources, see Energy conservation. Part of a series on Continuum mechanics J = − D d φ d x {\displaystyle J=-D{\frac {d\varphi }{dx}}} Fick's laws of diffusion Laws ...