Shoelaces also play a crucial role in sports, and innovation in this area is enhancing both performance and safety. For instance, in tennis, the speed and proficiency of tying shoelaces can be a game - changer. Zheng Qinwen, a Chinese tennis star, became a talking point during the 2025 French Open not just for her on - court skills but also for her lightning - fast shoelace - tying ability. She demonstrated an incredibly quick and accurate way of tying shoelaces in just 3.76 seconds, which became a viral sensation. What's more, she strategically uses the act of tying her shoelaces during matches to disrupt opponents' rhythms and regain her own focus, turning a simple task into a strategic advantage.
In the realm of sports safety, a 00 - post programmer has developed a "glowing shoelace" using JavaScript (JS). Designed for night runners, this innovative shoelace can be clearly seen from 30 meters away. The hardware consists of a flexible LED light strip embedded in a durable nylon cord and a tiny controller with a Bluetooth module and an acceleration sensor. The JS - written program enables functions such as brightness adjustment according to ambient light, multiple lighting modes (constant light, strobing, breathing light), and even synchronization with the runner's pace. Field tests have shown that this glowing shoelace significantly improves the visibility of runners at night, greatly reducing the risk of accidents.
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