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How Blue LED Lights Changed The World!

173,059 views

Seeker

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 3:19 / 3:20

Speech Rate:

  • 170 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

technology

/tekˈnäləjē/

noun

Use or knowledge of science in industry etc..

scientists

/ˈsīəntəst/

noun other

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

lighting

/ˈlīdiNG/

noun verb

A source of light (e.g. lamp). To cause something to burn; put a burning match to.

fluorescent

/ˌflo͝o(ə)ˈresənt/

adjective noun

having fluorescence. fluorescent tube or lamp.

increase
noun verb

rise in size, amount, or degree of something. To make or become larger in size or amount.

pioneered

/ˌpīəˈnir/

verb

develop or invent something new.

advanced

/ədˈvanst/

adjective verb

modern and recently developed. To change or improve.

episode

/ˈepəˌsōd/

noun

One separate event in a series of events.

official

/əˈfiSHəl/

adjective noun

Of or done by someone in authority; formal. person holding public office.

acceptable

/əkˈseptəb(ə)l/

adjective

Satisfactory; good enough.

premieres

/prēˈmyer/

noun other verb

first performance of musical or theatrical work. First performance of a show, film, play in public. give first performance of.

developing

/dəˈveləpiNG/

adjective verb

Grown bigger, older and more mature. To make a photograph from film.

emitting
verb

To release or send out (a gas, etc.).

expected

/ikˈspektəd/

adjective verb

regarded as likely. To believe something is probably going to happen.

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