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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:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

backwoods

/ˈbakˌwo͝odz/

backwoods
noun other

remote uncleared forest land. Remote and undeveloped area.

teacher

/ˈtēCHər/

teacher
noun

person who teaches.

electricity

/əˌlekˈtrisədē/

electricity
noun

form of energy resulting from existence of charged particles such as electrons or protons.

dropping

/dräp/

dropping
verb

let fall vertically.

watchmaker

/ˈwäCHˌmākər/

watchmaker
noun

Someone who makes or repairs watches.

apprentice

/əˈpren(t)əs/

apprentice
noun verb

Person learning a trade by working for an expert. employ someone as apprentice.

thousands

/ˈTHouz(ə)nd/

thousands
number

1000s.

notorious

/nōˈtôrēəs/

notorious
adjective

Being famous or publicly known for something bad.

dropped

/dräpt/

dropped
adjective verb

having fallen or been allowed to fall vertically. To fall or lie down quickly, as when shot.

insulating

/ˈinsəˌlāt/

insulating
verb

To prevent heat, electricity, sound from passing.

published

/ˈpəbliSHt/

published
adjective verb

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

becoming

/bəˈkəmiNG/

becoming
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/

weights
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/

assistant
adjective noun

(Person) helping another, usually as a job. person who ranks below senior person.

dreamed

/drēm/

dreamed
verb

To experience a series of thoughts while asleep.

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