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Laser + mirror + sound

2,207,822 views

Steve Mould

Video Language:

  • English

Caption Language:

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

Accent:

  • English (UK)

Speech Time:

86%
  • 8:33 / 9:55

Speech Rate:

  • 148 wpm - Conversational

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

membrane

/ˈmemˌbrān/

noun

A thin covering of tissue or of a cell.

reflects

/rəˈflekt/

verb

To think of something seriously and carefully.

speaker

/ˈspēkər/

noun

Electronic device for making or broadcasting sound.

dimensional

/dəˈmen(t)SH(ə)nəl/

adjective

relating to measurements or dimensions.

movement

/ˈmo͞ovmənt/

noun

Part of a piece of classical music.

vibrations

/vīˈbrāSH(ə)n/

noun other

instance of vibrating. Shaking motion.

surface

/ˈsərfəs/

adjective noun verb

Of the top layer; not deep or meaningful. Outside or upper layer of something. To come to the top level of water, mud, etc..

stretched

/streCH/

verb

To make your arm, leg muscles long to ease them.

lookout

/ˈlo͝okˌout/

noun verb

Person who keeps watch, e.g. for an enemy. To keep watch for some anticipated event.

fragment
noun verb

small part broken off or separated from something. (Of computer file) to be broken into pieces.

demonstration

/ˌdemənˈstrāSH(ə)n/

noun

act of showing that something exists.

channel

/ˈCHanl/

noun verb

Narrow passage through which water travels. To direct water or liquid through a passage.

balloon

/bəˈlo͞on/

noun verb

small inflated rubber bag. To grow larger quickly; spring up suddenly.

interrogate

/inˈterəˌɡāt/

verb

To ask a lot of questions in a threatening way.

allowed

/əˈlou/

verb

To admit the validity or truth of something.

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