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The Impossibility of Perpetual Motion Machines

3,109,774 views

PBS Space Time

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 16:18 / 16:31

Speech Rate:

  • 152 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

classify

/ˈklasəˌfī/

verb

To keep some information secret from the public.

journey

/ˈjərnē/

noun verb

Act of traveling from one place to another; trip. travel somewhere.

employed

/imˈploid/

adjective verb

(of person) having paid job. To pay a person to work for you; to give a job to.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. From the beginning of something until the end. Allowing you to pass between, or to.

working

/ˈwərkiNG/

adjective noun verb

having paid employment. action of doing work. To bring into a specific state of success.

persistent

/pərˈsist(ə)nt/

adjective

Continuing to do something despite challenges.

historical

/hiˈstôrək(ə)l/

adjective

of or concerning history.

extracting
verb

To get a substance out of a plant, etc..

conservation

/ˌkänsərˈvāSH(ə)n/

noun

careful use of resource.

challenge

/ˈCHalənj/

noun verb

Act of formally inviting someone to compete. To formally invite someone to compete at something.

gravity

/ˈɡravədē/

noun

(Of a situation) extreme seriousness.

answers

/ˈansər/

noun other verb

thing said in response to another. Replies to a question someone asked. say or write in response.

reversing

/rəˈvərs/

verb

To change to an opposite state, way or condition.

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