原文开头
What is the best way to clean the inside of a jar once its contents have been eaten? Hung out to dry I would like to know, scientifically speaking, is it more efficient to dry my towels with them hung up portrait or landscape? Which towel will dry quickest? Mary Hall Auckland, New Zealand I have found that my towels dry quicker if pegged in landscape, because they dry from the top down. Therefore, it is a shorter distance than if pegged in portrait. Chris Daniel Glan Conwy, Conwy Bay, UK When a towel dries, it absorbs heat from the surrounding air. …
摘自《新科学家》(New Scientist)第3582期 · 2026年2月14日。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。