Subtitles & vocabulary
Testing the limits of human vision
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Samuel posted on 2018/06/20Ever wondered how sharp your eyesight really is? This video dives into the science behind the Snellen chart and what "20/20 vision" actually means, using fun experiments and advanced vocabulary that will boost your understanding!
Video vocabulary
the eye
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- Noun
- The organ of sight in humans and animals.
- The ability to judge or notice things well.
A1
More re going to
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- Contraction
- A contraction of 'we are going to', indicating a future plan or intention.
- A contraction of 'it is going to', indicating a future prediction based on current evidence.
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