The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
Cosmos - Carl Sagan - 4th Dimension
학습 통계
CEFR 레벨
난이도
자막 (154 세그먼트)
in discussing the large scale structure
of the cosmos astronomers sometimes say
that space is
curved or that the universe is finite
but
unbounded whatever are they talking
about let's imagine that we are
perfectly flat I mean absolutely flat
and that we live appropriately enough in
a flat land a
land designed and named by Edwin Abbott
a Shakespearean scholar who lived in
Victoria in England everybody in
flatland is of course exceptionally flat
we have squares circles triangles and we
all Scurry about and we can go into our
houses and do our flat business now
we have width and length but no height
at at all now these little cutouts have
some little height but let's ignore that
let's imagine that these are absolutely
flat that being the case we know us
Flatlanders about left right and we know
about forward back but we have never
heard of up down let us imagine that
into flatland hovering above it comes a
strange three-dimensional creature which
oddly enough looks like an apple and the
three-dimensional creature sees an
attractive congenial looking Square
watches it enter its house and decides
전체 자막은 비디오 플레이어에서 이용 가능
댓글 (0)
로그인하여 댓글 달기인터랙티브 모드
퀴즈
정답:
관련 영상
Adele Planned The Perfect Wedding For Alan Carr | The Graham Norton Show
1965: A Flatshare in London | Man Alive | Classic Documentary | BBC Archive
The Weeknd Reveals How Tom Cruise Transformed His Career, Talks Filming HURRY UP TOMORROW (Extended)
New York City Travel Vlog: museum days, record bars, and revising our fav restaurants
English - Healthy or unhealthy lifestyle? (with subtitles)
carlsagandotcom
퀴즈
정답:
영상을 보면서 퀴즈가 나타납니다
암기 팁
이 영상에서
무료로 언어 학습
