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This Invisible Light Shows Us What Our Eyes Can't See

209,862 views

Seeker

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 14:13 / 14:17

Speech Rate:

  • 183 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

infrared

/ˌinfrəˈred/

adjective noun

(of electromagnetic radiation) having wavelength just greater than that of red end of visible light spectrum. infrared region of spectrum.

believe

/bəˈlēv/

verb

feel sure something is true.

discovered

/dəˈskəvər/

verb

find unexpectedly or while searching.

excited

/ikˈsīdəd/

adjective verb

Happy, interested or eager; enthusiastic. To make someone feel happy, interested or eager.

recognize

/ˈrekəɡˌnīz/

verb

To consider something as important or special.

regular

/ˈreɡyələr/

adjective noun

Having an equal amount of space or time in between. Soldier who has a permanent job in the army.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To make a formal speech about something.

replacing

/rəˈplās/

verb

To use instead of something else.

welcome - welcome

/ˈwelkəm/

adjective exclamation noun verb

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To greet someone who has just arrived.

essentially

/əˈsen(t)SHəlē/

adverb

used to emphasize basic, fundamental, or intrinsic nature of person or thing.

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