酷炫海藻是LED灯泡又是食物
微藻是一类在陆地、海洋分布广泛，营养丰富、光合利用度高的自养植物。它通过光合作用生长，是当今可再生的生物质能源以及减排二氧化碳的有效途径。早前便有研究者发现微藻在进行光合作用时，能够产生微弱的电流。在密闭的玻璃容器中装入一定数量的微藻，就能收集到电流点亮瓶中的LED灯。
此次，在匹兹堡现代美术馆中出现了这样一件奇特的展品，名叫“生物(Living Things)”。它是建筑设计师Jacob Douenias与工业设计师 Ethan Frier， 利用微形藻类中的螺旋藻特有的性质，别出心裁设计出的一款概念微生物光合作用灯。
之所以选用螺旋藻，是因为螺旋藻特有的碧绿色泽，加之对光的吸收性，及其可食性(可将其做成粉末添加到食物中)。两 位设计师便特别利用了螺旋藻的这些特质，将其养在碱性培养液中，再装入像鱼缸一样大小的玻璃器皿里，在废热、光、和二氧化碳的配合下，螺旋藻便产生光合作用，从而发出绿绿的光。
这些形状迥异、各式手工吹制的大型玻璃瓶能给室内的人提供光和热，同时它们还是高性能的光生物反应器，能够为里面的藻类加热、发光、换气、补充营养以及控制代谢物。
工作原理及流程
设计师 将螺旋藻装在各种各样不同形状的大型玻璃器皿中，可悬挂或者摆放在客厅与餐厅作为照明和装饰作用，透过灯光进行光合作用，房间的不同角落发出清爽怡人的绿色光芒。再找一个不起眼的地方安装控制系统，用水管和电缆连接每一盏灯。而这个控制中心控制着每一盏灯的循环系统。
3D打印的尼龙活塞开口装在桌面上，可用手控制系统流量。当液体浓度足够高时，可以打开这18个阀门采集螺旋藻，或者补给新鲜培养液体。下面的木箱内，则是管道、水泵、气泵、LED驱动器、过滤系统、加热器等共同组成的整个补给系统的核心。
这样一套利用废热和二氧化碳的微藻光合作用灯，不仅能让整个室内装修看起来清新自然，还特别的环保节能。如果能有效的开发，相信会给人类社会带来巨大的贡献。两位设计师此次设计的目的就是想让大众开始重视微生物的力量，让这项资源得到开发。
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