부산대학교 도서관

The article discusses the topic of bicycle lights and their effectiveness in ensuring visibility and safety for cyclists. Different perspectives are presented, including those of long-distance tandem cycle tourers and motorists. The cyclists argue that disruptive lights with irregular patterns and high brightness are the best, while motorists express concerns about the intensity and direction of the lights. The article also touches on the importance of reflective ankle bands and clothing for cyclists. The second part of the article briefly explains the science behind the loud noise produced when cracking knuckles. [Extracted from the article]