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这确实是一个非常酷的“黑科技”!你提到的这类系统最著名的应用案例之一就是日本JR东日本(JR East)在东京涩谷站和东京站进行的实验。

这种技术的核心在于压电效应(Piezoelectric Effect)。虽然单个人走一步产生的电量微乎其微(大约只有0.1到0.5瓦特秒),但像涩谷站这种日均人流量巨大的交通枢纽,通过这种“聚沙成塔”的方式,确实能为进站闸机或显示屏提供辅助电力。

以下是关于这个系统的一些有趣细节:

开发者: 该技术主要由日本公司 Soundpower Corporation 开发,他们将其命名为“发电地

板”(Power Generation Floor)。

转化效率:为了提高效率,这种瓷砖被设计得非常有弹性。当人踩上去时,瓷砖会发生几毫米的垂直位移,正是这种微小的变形触发了内部压电元件的电力转换。

不仅是车站:除了涩谷站,日本的一些办公大楼甚至人行横道也尝试安装过类似装置。

目前的挑战:虽然概念很棒,但这类系统的安装成本依然较高,且压电材料在高强度的踩踏下容易产生损耗。

因此,目前更多是作为绿色能源展示和传感器供电使用,而不是主要的电力来源。

这种将城市生活中的“废弃能量”回收利用的思维,正是未来智慧城市(Smart City)的重要方向。

你觉得这种地板如果铺在学校操场或者商场里,最适合用来给什么设备供电?

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Movie: Action Replayy (2010) Bunty, disillusioned by his parents' constant fights, develops a fear of marriage. When his girlfriend Tanya pressures him to commit, he visits her eccentric grandfather Professor Anthony Gonsalves, who has built a time-machine. Bunty impulsively travels back to 1975 - the time before his parents, Kishen and Mala, were married - and attempts to bring the two together in love. Along the way, he contends with past misunderstandings, rival suitors (including Kundan), and social obstacles of the era. Eventually, Bunty helps his parents fall in love, returns to the present, and finds the family relationships transformed for the better.

Director: Vipul Amrutlal Shah

Cast:

Akshay Kumar as Kishen Kumar Chopra Aishwarya Rai Bachchan as Mala Malhotra Chopra Aditya Roy Kapur as Bunty Chopra Neha Dhupia as Mona / Maa Jogeshwari Rannvijay Singh as Kundanlal "Kundan" Kapoor Om Puri as Rai Bahadur Dhyanchand Chopra Kirron Kher as Bholi Devi Malhotra Rajpal Yadav as Bhiku Randhir Kapoor as Professor Anthony Gonsalves Sudeepa Singh as Tanya Gonsalves Streaming Platforms: Netflix Amazon Prime Video

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