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Why don't perpetual motion machines ever work? - Netta Schramm

14,784,316 views

TED-Ed

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

90%
  • 4:59 / 5:31

Speech Rate:

  • 143 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

without

/wəˈT͟Hout/

adverb conjunction preposition

outside. without it being case that. in absence of.

different

/ˈdif(ə)rənt/

adjective

Not of the same kind; unlike other things.

sustain

/səˈstān/

noun verb

effect or facility on keyboard or electronic instrument whereby note can be sustained after key is released. strengthen or support physically or mentally.

efficient

/əˈfiSHənt/

adjective

achieving maximum productivity with minimum wasted effort or expense.

windmill

/ˈwin(d)mēl/

noun verb

building with sails that turn and generate power. move in manner suggestive of sails of windmill.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

forming base or core. central rule or principle.

containing

/kənˈtān/

verb

To keep something from spreading.

physics

/ˈfiziks/

noun other

branch of science concerned with nature and properties of matter and energy. The study of heat, light, and energy on objects.

transform

/tran(t)sˈfôrm/

noun verb

product of transformation. To change the shape completely in a good way.

turning

/ˈtərniNG/

noun verb

place where road branches off from another. To shape metal with a spinning tool.

perpetually

/pərˈpeCHo͞oəlē/

adverb

Everlastingly; for all time.

reservoirs

/ˈrezərˌvwär/

noun other

large natural or artificial lake used as source of water supply. Lakes storing water for use by the community.

devices

/dəˈvīs/

noun other

piece of mechanical or electronic equipment. To be left to do what you want.

reasoned

/ˈrēzənd/

adjective verb

based on logic or good sense. To think and make conclusions in a logical manner.

produced
verb

To grow something naturally.

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