perpetual motion

简明释义

永久运动

英英释义

Perpetual motion refers to the motion of a machine or device that, once started, continues to operate indefinitely without an external energy source.

永动机是指一种机器或装置,一旦启动,就可以在没有外部能源的情况下无限期地继续运转。

It violates the laws of thermodynamics, particularly the first and second laws, which state that energy cannot be created or destroyed and that systems tend toward increased entropy.

它违反了热力学定律,特别是第一和第二定律,这些定律指出能量不能被创造或销毁,并且系统趋向于增加熵。

例句

1.The idea of perpetual motion challenges our understanding of energy conservation.

永动机的想法挑战了我们对能量守恒的理解。

2.Several inventors have claimed to create a perpetual motion device, but none have succeeded.

几位发明家声称创造了一个永动机装置,但没有一个成功。

3.In physics, perpetual motion refers to a motion that continues indefinitely without any external energy source.

在物理学中,永动机指的是一种在没有外部能源的情况下无限持续的运动。

4.The concept of perpetual motion has fascinated inventors for centuries.

永动机的概念吸引了几个世纪以来的发明家。

5.Many scientists believe that perpetual motion machines are impossible due to the laws of thermodynamics.

许多科学家认为,基于热力学定律,永动机是不可能的。

作文

The concept of perpetual motion has fascinated scientists, inventors, and dreamers for centuries. It refers to the hypothetical idea of a machine that can operate indefinitely without an external energy source. This notion challenges the fundamental laws of physics, particularly the first and second laws of thermodynamics. The first law states that energy cannot be created or destroyed, only transformed, while the second law introduces the concept of entropy, indicating that systems tend to move towards a state of disorder over time.Throughout history, many inventors have attempted to create machines that embody the idea of perpetual motion (永动). These inventions often take the form of wheels that seem to turn endlessly or devices that appear to generate more energy than they consume. However, each of these attempts has ultimately failed, as they run into the immutable laws of nature. For instance, one of the most famous designs was created by Leonardo da Vinci in the 15th century, which included a wheel that was supposed to turn forever. Despite its ingenuity, it could not escape the reality of friction and resistance.The allure of perpetual motion lies not only in its promise of endless energy but also in its representation of human creativity and the desire to conquer nature. It embodies the age-old quest for efficiency and sustainability, reflecting our longing for solutions to energy crises. In a world increasingly focused on renewable energy sources, the idea of a machine that could harness energy indefinitely without depleting resources remains tantalizing.However, the pursuit of perpetual motion (永动) also serves as a cautionary tale about the limits of human innovation. It reminds us that while imagination can lead to groundbreaking inventions, it must always align with the principles of science. The failure of countless perpetual motion machines illustrates the importance of empirical evidence and the scientific method in validating ideas.In modern times, the fascination with perpetual motion has evolved into a broader discourse on energy efficiency and sustainability. Innovations in technology aim to maximize energy use and minimize waste, even if they do not achieve true perpetual motion. Engineers and scientists focus on creating systems that can store energy, such as batteries and flywheels, which can release energy when needed, thereby mimicking some aspects of the perpetual motion (永动) ideal.Furthermore, the exploration of renewable energy sources like solar, wind, and hydroelectric power reflects a shift towards sustainable practices that respect the limitations imposed by thermodynamics. While we may never achieve true perpetual motion, our advancements in technology and understanding of energy systems allow us to approach the dream of limitless energy in innovative ways.In conclusion, the idea of perpetual motion (永动) serves as both an inspiration and a reminder of the boundaries set by natural laws. It encourages us to think creatively while grounding our endeavors in scientific reality. As we continue to explore new technologies and energy solutions, the lessons learned from the pursuit of perpetual motion can guide us towards a more sustainable future, where we respect the limits of our universe while striving for progress.

“永动”的概念几个世纪以来一直吸引着科学家、发明家和梦想家。它指的是一种假设的机器,可以在没有外部能源的情况下无限期运行。这一概念挑战了物理学的基本法则,特别是热力学的第一和第二定律。第一定律指出,能量不能被创造或消灭,只能转化,而第二定律引入了熵的概念,表明系统趋向于随时间推移而变得无序。在历史上,许多发明家试图创造体现“永动”理念的机器。这些发明通常表现为似乎可以无尽转动的轮子或看似产生比消耗更多能量的装置。然而,这些尝试最终都失败了,因为它们遭遇了自然法则的不可改变性。例如,文艺复兴时期的达芬奇就设计过一个著名的永动轮,声称它可以永远转动。尽管其构思巧妙,但它无法逃脱摩擦和阻力的现实。“永动”的魅力不仅在于它对无尽能量的承诺,还在于它代表了人类创造力和征服自然的渴望。它体现了人类对效率和可持续解决方案的古老追求,反映了我们对能源危机解决方案的渴望。在一个越来越关注可再生能源的世界里,能够无限利用能源而不耗尽资源的机器的想法仍然令人神往。然而,追求“永动”也作为一个警示故事,提醒我们人类创新的局限性。它告诉我们,尽管想象力可以导致突破性的发明,但它必须始终与科学原理相一致。无数永动机器的失败展示了实证证据和科学方法在验证思想中的重要性。在现代,“永动”的迷恋演变成了关于能源效率和可持续性更广泛的讨论。技术创新旨在最大化能源使用并最小化浪费,即使它们无法实现真正的永动。工程师和科学家专注于创建能够储存能量的系统,如电池和飞轮,可以在需要时释放能量,从而在某种程度上模仿“永动”的理想。此外,探索太阳能、风能和水电等可再生能源反映了朝着尊重热力学定律所施加的限制的可持续实践的转变。虽然我们可能永远无法实现真正的“永动”,但我们在技术和能源系统理解方面的进步使我们能够以创新的方式接近无限能源的梦想。总之,“永动”的理念(永动)既是灵感来源,也是自然法则设定的界限的提醒。它鼓励我们进行创造性的思考,同时将我们的努力扎根于科学现实中。随着我们继续探索新技术和能源解决方案,从追求永动中获得的教训可以指导我们走向一个更加可持续的未来,在这个未来中,我们尊重宇宙的限制,同时努力追求进步。

相关单词

perpetual

perpetual详解:怎么读、什么意思、用法

motion

motion详解:怎么读、什么意思、用法