Hibana Saishuu | Video Essay

YouTube·火花採集 | Video Essay
Hibana Saishuu | Video Essay
2026/04/24
Speech time
5h
Word count36,132
Unique words
5,690
Unique kanji
1,519
Avg. sentence28.5
Speech speed
327
Difficulty Expert
Videos8
Avg. length
27:33

本からはじまるビデオエッセイ 文化、歴史、科学、社会など、そのとき気になったテーマを扱っています。 見たあとに、ものの見え方がすこし変わるような動画を目指します。

SourcesYouTube

Japanese study overview

Hibana Saishuu | Video Essay is a Japanese youtube of 85,374 characters, with 5,690 unique words and 1,519 different kanji. Its difficulty rating on Jiten is expert, 4.0 out of 5. The full vocabulary list ranks all 5,690 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.

Durationto

なんで人は「青」を作ったの?ざっくりわかる青色の仕組みと歴史(前編)

Speech time
20min
Word count2,917
Unique words
976
Unique kanji
545
Avg. sentence27.5
Speech speed
404
Difficulty Expert
Length
25:44

なんで人は「青」を作ったの?ざっくりわかる青色の仕組みと歴史(後編)

Speech time
33min
Word count4,064
Unique words
1,199
Unique kanji
649
Avg. sentence26.3
Speech speed
332
Difficulty Expert
Length
37:40

生命はなぜ「左型」なのか?キラリティと鏡像生命

Speech time
22min
Word count2,731
Unique words
849
Unique kanji
469
Avg. sentence25.9
Speech speed
335
Difficulty Hard
Length
25:58

分離脳実験。左脳による「物語」の即興捏造

Speech time
24min
Word count2,941
Unique words
814
Unique kanji
438
Avg. sentence25.8
Speech speed
330
Difficulty Hard
Length
27:32

固い大地はなぜ動く?プレートテクトニクスとは何か

Speech time
23min
Word count2,738
Unique words
876
Unique kanji
466
Avg. sentence27.9
Speech speed
332
Difficulty Expert
Length
27:35

【途中広告なし】銀河鉄道の夜|おやすみ朗読|宮沢賢治

Speech time
2h 1min
Word count14,837
Unique words
2,557
Unique kanji
893
Avg. sentence30.9
Speech speed
320
Difficulty Expert
Length
2h 14m

鉄道旅行の歴史。鉄道はいかに近代人をつくったのか?

Speech time
27min
Word count3,156
Unique words
943
Unique kanji
509
Avg. sentence26.0
Speech speed
310
Difficulty Expert
Length
29:42

鉄道旅行の歴史。なぜ米英で客車の形が違うのか?鉄道殺人から鉄道文庫まで

Speech time
26min
Word count2,748
Unique words
887
Unique kanji
468
Avg. sentence30.0
Speech speed
296
Difficulty Expert
Length
27:32

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Vocabulary highlights

Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.

See the full vocabulary list (5,690 words) →