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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 existing matter and space considered as whole.

expressed

/ikˈspres/

verb

To state or show what you think or how you feel.

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. Romantic or loving friendships between two people.

supported

/səˈpôrt/

verb

To help prove or show that something is true.

fundamental

/ˌfəndəˈmen(t)əl/

adjective noun

Forming a necessary part, base, or core. A basic part of something.

between

/bəˈtwēn/

adverb preposition

in space separating things. Among two or more people who share something.

changes

/CHānj/

noun other verb

act or process bringing change. Acts of making or becoming something else. To make or become something else.

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

To work out the meaning of, in a slow careful way.

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