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Who Invented the Telegraph? Joseph Henry, A Bored Math Teacher!

16,527 views

Kathy Loves Physics & History

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

96%
  • 9:43 / 10:03

Speech Rate:

  • 162 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

backwoods

/ˈbakˌwo͝odz/

noun other

remote uncleared forest land. Remote and undeveloped area.

teacher

/ˈtēCHər/

noun

Person who teaches others, especially in a school.

electricity

/əˌlekˈtrisədē/

noun

Energy generated positive and negative charges.

dropping

/dräp/

verb

To fall or lie down quickly, as when shot.

watchmaker

/ˈwäCHˌmākər/

noun

Someone who makes or repairs watches.

apprentice

/əˈpren(t)əs/

noun verb

person who is learning trade from skilled employer. employ someone as apprentice.

thousands

/ˈTHouz(ə)nd/

number

1000s.

notorious

/nōˈtôrēəs/

adjective

Being famous or publicly known for something bad.

dropped

/dräpt/

adjective verb

having fallen or been allowed to fall vertically. To decide to stop something.

insulating

/ˈinsəˌlāt/

verb

protect by interposing material to prevent heat loss.

published

/ˈpəbliSHt/

adjective verb

(of book etc.) prepared and issued for public sale. To prepare and make available a book magazine etc..

becoming

/bəˈkəmiNG/

adjective noun verb

looking good on someone. process of coming to be something or of passing into state. To be suitable for a particular job or role.

weights

/wāt/

noun other verb

body's relative mass or quantity of matter contained by it, giving rise to downward force. Metal object to measure how heavy something is. hold something down by placing heavy object on top of it.

assistant

/əˈsistənt/

adjective noun

(Person) helping another, usually as a job. Person who helps another, usually as a job.

dreamed

/drēm/

verb

To experience a series of thoughts while asleep.

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