第175章(2/3)

&esp;&esp;陈景润依言照做,两指捏着铜丝,屏息凝神地凑过去。

&esp;&esp;这试验间是朱笑笑亲自布置的,四壁糊了石灰,地面铺了青砖,窗明几净。

&esp;&esp;朱笑笑取过一枚磁针安在铜托上,把磁针放到离那堆片子一尺远的地方,又将两根铜丝接好,道:ot;景润,你把这两根铜丝的梢头轻轻搭在磁针旁边的木架子上,搭稳了,别碰到磁针。ot;

&esp;&esp;那些座椅全按部院分列,不以品级定先后,只以职司定座次。

&esp;&esp;靠东一面墙上钉着一排木架,架上摆满了瓶瓶罐罐,有盛盐水的,有盛稀矾水的,有盛铜片锌片的,还有几只玻璃瓶里泡着不知名的金属片。

&esp;&esp;再往里走,绕过几道砖墙,才是一处新近辟出来的小院,门上挂着一块白底黑字的木牌,上头写着电学试验间五个字。

&esp;&esp;陈景润还沉浸在震惊里,他本是个实在人,闻言挠了挠后脑勺,道:ot;圣人,这电既看不见摸不着,又不能吃不能穿,单能让这磁针转一转又有何用?ot;

&esp;&esp;宋应星依言松开一根铜丝,磁针立时软软地转回南北,他再搭上,磁针又偏了。

&esp;&esp;他俯下身,鼻子几乎要贴到磁针上去,喃喃道:ot;隔着一尺远,既无风,又无人碰,这磁针凭什么自己动?除非是那铜丝里当真流着一股力气,这力气能穿过空气,去推动磁针……圣人,这电,究竟是何物?ot;

&esp;&esp;陈景润也领了几个工匠局的学徒进来,众人围着那堆铜片锌片看稀奇,谁也不信这死气沉沉的金属片子里能流出什么活物来。



&esp;&esp;朱笑笑抬起头来见是他,便笑了,招手道:ot;宋先生来得正好,朕正琢磨这一套东西,你来看看。ot;

&esp;&esp;宋应星一怔,道:ot;电?圣人说的是雷雨时天上的那种电?ot;

&esp;&esp;朱笑笑把议政礼堂的图纸交出去,又把朝会这一摊子事尽数托付给张居正,自己便一头扎进了西苑工匠局里。

&esp;&esp;ot;差不离。ot;朱笑笑点头,ot;你且按朕说的,把铜片、锌片、盐水布片一层隔一层地叠起来,叠个十几层,再用铜丝把最上头的铜片与最下头的锌片连上,看看如何。ot;

&esp;&esp;他凑近一看,见纸上画的是几个圆圈套着方框,旁边标着些古怪的字,什么正极负极,什么磁力线,一时竟看不明白。

&esp;&esp;正中一张长木案,案上散着铜丝、磁石、铁棒、几册画满图样的簿子,乱糟糟地堆作一团。

&esp;&esp;经过这些年的发展,工匠局几经扩建,一排排灰砖厂房规划得整整齐齐,烟囱日夜冒着黑烟,蒸汽机、水力锻锤、纺机、炼炉挤得满满当当。

&esp;&esp;一个年轻学徒凑上前去,伸手便要去摸那磁针,被朱笑笑眼疾手快地拦住了:ot;莫动,这电还在流着,你这一碰,它便又转回去了。ot;

&esp;&esp;ot;正是这个道理。ot;朱笑笑拊掌笑道,ot;电可生磁,磁亦可生电,二者相生相化,便是一门极大的学问。ot;

&esp;&esp;如今倒好,都坐惯了。

&esp;&esp;就像这个国家的变化,起初看什么都是惊天动地,前无古人,等习惯了这套,便如吃饭喝水一般平常。

&esp;&esp;铜丝梢头刚一搭上木架,那原本指着南北的磁针忽地一抖,像是被谁从旁推了一把似的,滴溜溜地偏转了小半圈,斜斜地定在那里,再不肯回到原处。

&esp;&esp;宋应星进来的时候,朱笑笑正伏在案上画着什么,画一笔,又皱眉擦去重画,嘴里念念有词。

&esp;&esp;他让陈景润取过一根两尺来长的铁棒,又拿过一卷细铜丝,命众人将铜丝密密地绕在铁棒上,

&esp;&esp;ot;圣人。ot;宋应星唤了一声,ot;这电学试验间的家伙什,臣照着单子都置办齐了,只那倭铅片,臣命人在炉里新炼了一批,比外头买的纯些。ot;

&esp;&esp;宋应星站在案边,盯着那根偏转的磁针,脸上先是一片茫然,继而涌起一股抑制不住的狂热来。

&esp;&esp;朱笑笑被他这一问,倒笑了:ot;你且别急,朕再给你露一手。ot;

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&esp;&esp;朱笑笑选择的是外朝西侧一座空置多年的旧殿,五楹三进,梁柱虽还结实,檐角的彩画却早剥落得不成样子。

&esp;&esp;如此反复了三四回,他忽然一拍案板,大声道:ot;果然!这电一来,磁针便动,电一断,磁针便回,这电与磁竟是一脉相通的东西!ot;

&esp;&esp;朱笑笑也不急着解释,只道:ot;你先把那两根铜丝松开一根,再看。ot;

&esp;&esp;他做惯了冶炼的事,手上极稳,将那铜片锌片一张张叠得整整齐齐,中间夹上浸透盐水的厚布,片刻便叠起一座巴掌高的小堆。

&esp;&esp;宋应星素来信服这位天子,也不多问,捋起袖子便动起手来。

&esp;&esp;他拿起案上那几片铜片和锌片,道,ot;朕前些日子做梦,梦见有一种物事,把这铜片与锌片隔着一层浸了盐水的布片叠起来,再用铜丝两头一连,便有电从里头流出来。ot;

&esp;&esp;头一日试坐时,那些阁臣翰林们捏着衣摆,你看看我,我瞧瞧你,半晌不敢把身子落下去,仿佛那椅子上生着针,坐下去就把屁股扎漏了。

&esp;&esp;穹顶之下是一处扇形的大厅,正中高起一方木台,台上设着御座与凤椅,台下却是层层叠叠排开的座位,每张椅子前头都嵌着一方小小的案几,可搁笔砚折本。

&esp;&esp;满屋子的人都看呆了,陈景润的手还僵在那里,眼睛瞪得溜圆,半晌才道:ot;动了,真的动了!这铁片子里真有东西!ot;

&esp;&esp;蒯祥是营造的老祖宗,略改动了图纸上一些不妥之处,对这非同寻常的布局也很感兴趣,拉着朱由检里里外外量了数十回,先将大殿的隔扇尽数拆去,梁柱加固,重新立起了更高更阔的穹顶,藻井层层收拢,正中央描着一轮红日,四围云纹流转,托着二十八宿。

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