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【Super-advanced mechanism of E. coli】 The upper limit of the F1 engine speed is 15000 rotations per minute (rpm). For your reference, when I commute, the average engine speed of my small economy car is about 1500 rpm. You may be surpri...

【Alexander the Great, my hero】 Japanese people really seem to like to pick up the top three of various categories, such as the world's three major night views. They are Hong Kong, Monaco, and Nagasaki, by the way. If it's about archite...

【The pyramid construction is a public project to create employment】 It only took 20 years to make the pyramid of King Khufu by using many slaves. Is there anyone who still believes all this? Some decades ago, the Japanese biggest const...

【Japanese natural indigo】 Indigo is a dye extracted from a plant. As Jeans may be a synonym for indigo, it was once used to dye fabric all over the world, not only in Japan. You may think most of the jeans are still dyed in indigo blue...

【Autocracy was the need of the times】 An autocracy may be necessary in the very first phase of a business to make it take off in the harsh market battles. Especially new comers in the market are always exposed to kill-or-be-killed situ...