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Forget Wi-Fi. Meet the new Li-Fi Internet | Harald Haas

1,300,385 views

TED

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

88%
  • 6:35 / 7:25

Speech Rate:

  • 151 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

demonstrate

/ˈdemənˌstrāt/

verb

To prove or make clear by reasoning or evidence.

massive

/ˈmasiv/

adjective

large and heavy.

infrastructure

/ˈinfrəˌstrək(t)SHər/

noun

Basic necessary equipment for a country or region.

possible

/ˈpäsəb(ə)l/

adjective noun

able to be done. candidate for job.

digital

/ˈdijidl/

adjective

Using electronic signals or computers.

connected

/kəˈnektəd/

adjective verb

brought together so that link is established. To join or attach things together.

changes

/CHānj/

noun other verb

act or process bringing change. Exchanges of one set of clothes for another. To exchange one set of clothes for another.

transmitters

/tranzˈmidər/

noun other

set of equipment used to generate and transmit electromagnetic waves carrying messages or signals. Towers used to transmit radio waves and messages.

extension

/ˌikˈsten(t)SH(ə)n/

adjective noun

Adding extra length. Suffix code of a computer file, e.g. .pdf, .jpg.

incredibly

/inˈkredəblē/

adverb

Extremely; so much so it is hard to believe.

devices

/dəˈvīs/

noun other

piece of mechanical or electronic equipment. Objects, machines, or equipment for a specific use.

transmit

/tranzˈmit/

other verb

To broadcast by using signals to a radio/TV. To transfer a disease between people.

demonstrated

/ˈdemənˌstrāt/

verb

To prove or make clear by reasoning or evidence.

encoded

/inˈkōd/

verb

convert into coded form.

existing

/iɡˈzistiNG/

adjective verb

Being present, alive. To be present, alive or real.

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