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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

arrange group of people or things in classes or categories according to shared qualities or characteristics.

journey

/ˈjərnē/

noun verb

Act of traveling from one place to another; trip. To travel through a place.

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

From one end or side of something to the other. From the beginning of something until the end. By a particular way or process; by the use of.

working

/ˈwərkiNG/

adjective noun verb

Doing your job. action of doing work. To be functioning properly, e.g. a car.

persistent

/pərˈsist(ə)nt/

adjective

continuing firmly or obstinately in opinion or course of action in spite of difficulty or opposition.

historical

/hiˈstôrək(ə)l/

adjective

Connected with the past.

extracting
verb

remove.

conservation

/ˌkänsərˈvāSH(ə)n/

noun

careful use of resource.

challenge

/ˈCHalənj/

noun verb

invitation to compete/fight. invite to join in contest.

gravity

/ˈɡravədē/

noun

(Of a situation) extreme seriousness.

answers

/ˈansər/

noun other verb

thing said in response to another. Solutions to a problem or test question. To reply to a question someone asks.

reversing

/rəˈvərs/

verb

To drive a vehicle backward.

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