Starting with ones that take a minute. A video goes only as far as making you curious; the answers are in the boards and articles below it. The videos are narrated in Korean.
How it works
The inside of the Sun is 15 million degrees, so why must it be over 100 million on Earth? From that reason to the fact that it all ends in boiling water, in one minute. Narrated in Korean.
After watchingBoard — a vessel for 100 million degreesArticle — can we build a sun on the ground?Article — an artificial sun, and in the end a kettle
History recreated
How did a job expected to take ten years finish in under three? Jeong Yak-yong takes you from the quarry, where stone is lifted with the geojunggi, to the building of the wall. The face and voice are recreated with AI. In Korean.
After watchingArticle — the geojunggi and Suwon HwaseongBoard — lifting a thousand-geun stone with pulleysBoard — the tower crane
In their own words
On New Year's Day 1803 Jeong Yak-yong, in exile, wrote to his two sons; this reads the letter aloud. The text is from Park Seok-mu's edition, Letters from Exile; the face and voice are recreated with AI. In Korean.
After watchingArticle — the geojunggi and Suwon Hwaseong
In their own words
Einstein's real words, printed in LIFE magazine in 1955, spoken in Korean. The face and voice are recreated with AI.
After watchingCard — special relativity
Film
When a person is gone, where does the information that made them go? Watch the 25-minute film first, then follow the scientists who held on to the same question. In Korean.
After watchingFeature — One Director's QuestionsFirst article — it spreads and blurs, but it does not vanish
Videos are added one at a time: ones that show how something works in a minute, ones that bring an old scene back to life, and ones that let you hear what a scientist actually said. For now they are narrated in Korean.