The bizen-jellyfish mascot, eyes closed, counting seconds in the quiet under a starry night sky

Is your ten seconds really ten? — Silent, a new stage where you count seconds in silence

Without looking at a clock, could you measure ten seconds by feel alone? Try it: close your eyes, count “one, two, three…” up to ten in your head, and stop. Check against a clock and you’ll usually find you were a little too long, or a little too short. It shifts with your mood and how tired you are, too. Your own inner “one second” is not as reliable as you’d think. ...

公開: 2026年7月11日 · 更新: 2026年7月12日 · Toshihiko Arai