<p>For different forms of batteries, non-rechargeable batteries in daily life and small rechargeable batteries, which are the most common have been used by the largest number of people, 81.71 % and 60.86 % respectively, followed by medium-sized rechargeable batteries. In contrast, only 2.57 % of people have come into contact with large rechargeable batteries used by specific enterprises or research institutes.</p>
<p>As for the defects of the existing batteries, <strong>insufficient capacity, short life of rechargeable batteries and environmental pollution are the three most mentioned defects</strong>, accounting for more than 50 %, of which 66.38 % of people mentioned environmental pollution, which shows that this is the public's greatest concern. Besides, some people think that the existing battery problems are high price, slow charging and discharging speed and large batteries are bulky, etc. </p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/2.png"alt=" Figure 1. Existing battery form defective opinion statistics"/></p>
<p>On the question of whether batteries, a form of energy storage, are likely to disappear in the foreseeable future, most people are optimistic, with 41.03 % believing that there is a high probability that batteries will not disappear in the foreseeable future, while 18.52 % believe that they definitely will not disappear. 31.05 % believe that they will not necessarily disappear, only 8.55% believe that there is a high probability that batteries will disappear, and 0.85 % think the battery will disappear.</p>
<p>On the question of whether batteries, a form of energy storage, are likely to disappear in the foreseeable future, most people are optimistic, with 41.03 % believing that there is a high probability that batteries will not disappear in the foreseeable future, while 18.52 % believe that they definitely will not disappear. 31.05 % believe that they will not necessarily disappear, only 8.55% believe that there is a high probability that batteries will disappear, and 0.85 % think the battery will disappear.</p>
<p>The majority of people have some knowledge about MFC. The number of people who have heard a little about MFC but do not know about them is the largest, accounting for 36.47 %; while those who have not heard of them at all account for 17.95 %; and only 1.99 % have heard of them and know them very well. This shows that MFC have entered the public eye to a certain extent, but most of the public still does not know about them. This indicates that there is still considerable room for the popularization of MFC.</p>
<p>The overall level of public interest in MFC is high, as <strong>more than half of the people are interested in MFC, and 14.25 % are very interested</strong>; only 4.84 % are not interested at all. This indicates that the publicity and popularization of MFC can be easily accepted by the public, and there is also great room for development. </p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/7.png"alt=" Figure 6. Statistics of respondents' understanding of synthetic biology"/></p>
<p>In terms of sewage treatment, generally speaking, the respondents are satisfied with the domestic sewage treatment level, but they also put forward higher requirements for the future.</p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/8.png"alt=" Figure 7. Respondents' evaluation statistics on the domestic sewage treatment level"/></p>
<p>It is worth noting that <strong>young people have higher demands on sewage treatment than older</strong>. As for the idea of using microorganisms in sewage treatment, more than 70 per cent of the respondents thought it was excellent to kill two birds with one stone, but a few people questioned the idea.</p>
<p>It is worth noting that <strong>young people have higher demands on sewage treatment than older</strong>. As for the idea of using microorganisms in sewage treatment, more than 70 % of the respondents thought it was excellent to kill two birds with one stone, but a few people questioned the idea.</p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/9.png"alt=" Figure 8. Evaluation of the feasibility of microbial purification of heavy metal wastewater and recovery of heavy metals"/></p>
<p>From the report, we can know that if the microbial water purifier can enter our life sometimes, <strong>the first thing to ensure must be practical, followed by a cost-effective and aesthetic degree</strong>.</p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/10.png"alt=" Figure 9. Average composite score statistics of expected options for functions and advantages of microbial water purifiers"/></p>
<p>In terms of microbial sensors, almost all respondents indicated that the technology would have a wide range of applications, covering the food industry, environmental monitoring, fermentation industry and medicine. </p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/11.png"alt=" Figure 10. Respondents' perceptions of microbial sensor application areas"/></p>
<p>However, more than 60 per cent of respondents said they did not know whether microbial sensors had been used in their daily lives, indicating the importance of publicity and popularization. </p>
<p>However, more than 60 % of respondents said they did not know whether microbial sensors had been used in their daily lives, indicating the importance of publicity and popularization. </p>
<p><imgsrc="https://static.igem.wiki/teams/4134/wiki/wiki/human-practice/overview/12.png"alt=" Figure 11. Statistics on the direct or indirect use of microbial sensors by respondents in daily life"/></p>
<p>In a word, <strong>the public is optimistic about whether synthetic biology can be applied in sewage treatment and biosensing</strong>, but the specific implementation measures are still unknown. We need to <strong>carry out relevant popular science lectures to improve public understanding</strong>.</p></article>
