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Are the Fundamental Constants Changing?

786,309 views

PBS Space Time

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

93%
  • 13:50 / 14:51

Speech Rate:

  • 162 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

electron

/əˈlekˌträn/

noun

stable subatomic particle with charge of negative electricity.

astrophysicists

/ˌastrōˈfizisəst/

noun other

expert in or student of astrophysics. .

universe

/ˈyo͞onəˌvərs/

noun

All of space that contains planets and stars.

expressed

/ikˈspres/

verb

To send something by fast mail.

complexities

/kəmˈpleksədē/

noun other

property of being intricate or complicated. Difficult, not easy to understand or explain.

theories

/ˈTHirē/

noun other

supposition or system of ideas intended to explain something. Ideas or principles that explain facts or events.

relationships

/rəˈlāSH(ə)nˌSHip/

noun other

way in which two or more people or things are connected. Ways in which people interact/live with each other.

supported

/səˈpôrt/

verb

To hold up or prevent from falling down.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

forming base or core. (Music) the lowest note in a harmony.

between

/bəˈtwēn/

adverb preposition

in space separating things. at, into, or across space separating things.

changes

/CHānj/

noun other verb

act or process bringing change. Exchanges of one set of clothes for another. To go from one train, bus, etc. and go to another.

proposed

/prəˈpōz/

adjective verb

Suggested. To offer or put forward an idea for consideration.

experiments
noun other verb

scientific procedure. Tests performed to assess new ideas or theories. To try something new that you haven't tried before.

existence

/iɡˈzistəns/

noun

State of being present, alive or real.

unravel

/ˌənˈravəl/

verb

undo.

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