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Japan Know How

Japan Know How Articles

Evidence-led guides to Japanese language, names, culture, travel, food, anime, the Chinese zodiac and Japanese eras.

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Japanese Crafts

Folds That Ended Up in Space and Surgery

The crane is one model out of thousands. Where the standard folding notation came from, and how a fold designed in Japan opened a satellite solar array.

Megan Rothwell

Japanese Beauty

Different Filters, a Different Rulebook

Japan clears UV filters the US has not approved since the 1990s, and rates UVA with PA plus signs. What that changes on skin, and the import caveat.

Kaori Miyata

Japanese Eras

The First Era Name Not Taken From China

Every earlier era name traced back to a Chinese classic. Reiwa was pulled from an eighth-century Japanese poetry preface, and that was the whole point.

Megan Rothwell

Anime & Manga

Why So Many Shows Stop at Twelve

Japanese TV sells airtime in three-month blocks, so a season runs eleven to thirteen episodes. What a split cour is, and why a sequel takes years.

Dylan Carver

Your Name in Japanese

Surname First or Last: What to Write Where

Japan flipped its own romanized name order in January 2020. What that means for the order you write, and where a swapped name creates a mismatch.

Megan Rothwell

Writing & Language

Why the Second Alphabet Trips Everyone

Four look-alike pairs, a long-vowel bar with no hiragana equivalent, and words you have to decode back into English. Where katakana really breaks down.

Megan Rothwell

Japanese Phrases

The Word You Will Use Fifty Times a Day

Sumimasen calls a waiter, apologizes, thanks, squeezes past, opens a question and softens a request. Which job the tone and the situation assign.

Kaori Miyata

Japanese Food

Paying Before You Sit Down

Buy the ticket, hand it over, sit and wait. Where the topping buttons hide, what kaedama costs, and why the machine wants cash far more often than cards.

Kaori Miyata

Japanese Crafts

How a Square of Cloth Carries a Bottle

Two knots do most of the work. Which cloth size to buy, how to wrap a box, a bottle and a watermelon, and why the plastic bag fee revived the habit.

Megan Rothwell

Japanese Beauty

Oil First, Foam Second, and Why

The habit began with makeup that water would not move, and modern sunscreen kept it alive. When the second cleanse is pointless, and when it is not.

Kaori Miyata

Japanese Eras

1 April 2019, and the Board Held Up

Suga held the card up before midday, thirty years after Obuchi did the same for Heisei. What happened in the room, and why the name stayed sealed.

Megan Rothwell