Nanotechnology in the Olympic Winter Games and Beyond

Abstract

Modern Olympics have increasingly benefited from the advancement of materials science. From February 4 to March 13, 2022, the whole world has witnessed spectacular Olympic Winter Games and Winter Paralympic Games held in Beijing, during which nanotechnologies are extensively applied and play indispensable roles in many aspects. Although these nanotechnologies appear in a very small length scale, they have provided tremendous support to all athletes with the pursuit of “faster, higher, stronger”. In this Article, we highlight several representative nanotechnologies applied in the Olympic and Paralympic Winter Games including nanoscience in ice skating, wearable monitoring devices, skiing sports equipment, winter protection, and Olympic printing and discuss their physicochemical principles, unique significance for athletes and sports.

Textile‐Based Flexible Temperature Sensors for Wearable and Sports Applications

“…He et al [ 139 ] investigated the impact of environmental parameters such as temperature, humidity, and weight variations shown in Figure 14c(i). The proposed sensor also helped in identifying diversified functions including sensing various physiological signals, i.e., sweat level, and contact force other than this wearable sock can successfully verify motion tracking and walking patterns for sports and military applications.…”

“…The proposed sensor also helped in identifying diversified functions including sensing various physiological signals, i.e., sweat level, and contact force other than this wearable sock can successfully verify motion tracking and walking patterns for sports and military applications. [ 139 ] To detect temperature on ice surface for quasi water, Figure 14c(ii) shows the results of dynamic simulation of wearable sensors on an ice surface with different approaches to monitor friction property and elastic responses. According to ref.…”

Innovation and Practice of Physical Chemistry Curriculum Construction in the Context of New Agricultural Education

“…究与改革实践项目之"新农科基础化学课程体系与新形态教材建设"成果，笔者所在中国农业大学 等13家国内农林院校教师共同修订《简明物理化学》(第3版)，结合《习近平新时代中国特色社会主 义思想进课程教材指南》的要求，有机融入思政元素，弘扬国家和民族的基本价值观，体现人类文 化知识积累和创新的丰硕成果，把立德树人贯穿教材建设全过程 [8] 。其中，电化学部分结合能源环 境问题和实现"碳中和"目标，在研究拓展中介绍太阳能电池、固态电解质等研究热点； "界面现象" 增加了超分子聚集形式、纳米乳液等新的研究成果等。 [9] 。图 2A显示滑冰背后的基本原理，与常规利用克拉佩龙方程解释压强增加导致冰层熔点 降低不同(相平衡)，通过计算化学可知表面水分子在平移运动中能垒较低而更具有流动性；图2B显 示具有特殊涂层的滑雪板，表面微纳结构导致水滴在其表面为超疏水而呈现出低黏附的Cassie-…”

Biocompatible and Breathable Healthcare Electronics with Sensing Performances and Photothermal Antibacterial Effect for Sport Rehabilitation

“…With the development of intelligent wearable devices 13,14 , sports rehabilitation and injury prevention have been promoted to the direction of normal and personalized. In 2022 Beijing Winter Olympics, smart chest strap has been used by the athletes to monitor heart rate and breathing changes in real time 15 . In addition, smart strain sensing insoles also have been developed for gait detection in normal training 16 .…”