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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

equipment in room, building, or street for producing light. To provide a way to see ahead.

fluorescent

/ˌflo͝o(ə)ˈresənt/

adjective noun

having fluorescence. fluorescent tube or lamp.

increase
noun verb

Fact of increasing; amount something grows by. become or make greater in size or degree.

pioneered

/ˌpīəˈnir/

verb

To take part in the development of something new.

advanced

/ədˈvanst/

adjective verb

With a high level of skill or development. (Of an army) to move forward.

episode

/ˈepəˌsōd/

noun

event or group of events.

official

/əˈfiSHəl/

adjective noun

Real, exact, truely felt. A person authorized to perform a specific duty.

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

Believing something will probably happen. To believe something is probably going to happen.

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