Subtitles & vocabulary
How Lasers Work (in theory)
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Calvin Chen posted on 2013/01/01Ever wondered how lasers actually work? This video breaks down the fascinating science behind stimulated emission and coherent light, perfect for anyone curious about physics! You'll pick up some awesome advanced vocabulary while getting a clear, hands-on explanation of this cool technology.
Video vocabulary
light
US /laɪt/
・
UK /laɪt/
- Transitive Verb
- To cause something to burn; put a burning match to
- To provide a way to see ahead
- Adjective
- Being bright making it easy to see; not dark
- Being pale and lacking darkness of color
A1
More sweet
US /swit/
・
UK /swi:t/
- Countable Noun
- Piece of candy, or other food containing sugar
- Adjective
- Having a gentle, likable nature
- Making one feel happy, pleased or content
A1
More show
US /ʃo/
・
UK /ʃəʊ/
- Verb (Transitive/Intransitive)
- To be easily seen or displayed
- To display your emotions or feelings
- Noun
- False display of love, emotion or action
- An event for displaying or promoting goods
A1
More open
US /ˈopən/
・
UK /'əʊpən/
- Verb (Transitive/Intransitive)
- To make accessible or able to be used, e.g. road
- To start the activities or services of a business
- Adjective
- Available for use; accessible
- Not being hidden; available for others to see
A1
More Use Energy
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