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第一千一百三十章 投影仪的背后(2 / 2)

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朱元璋站在窗户边看了看,虽然没有举火把,但确实看到了上面有个小滑轮,这才松了一口气,转而问道:“那这光影之物,你又是如何制造出来的?”

“烛光。”

顾正臣直言。

朱元璋呵了声:“你当朕没点过蜡烛不成,烛光一亮亮一片区域,怎么可能只是个光束?”

朱标在一旁连连点头。

顾正臣轻声道:“若是让烛光通过望远镜投射出去,那不就是个光束了……”

“这——”

朱元璋愣住了。

光是没具体形状的,可望远镜是有形状的。

顾正臣走至屏风后,推了下屏风,然后抬起头,喊道:“还不下来?”

朱元璋看去,只见楼顶的隔板动了动,旋即一个梯子放了下来,朱棡顺着梯子走了下来,身后还跟着府中的两个护卫,卢关中与孙旭。

朱棡带人行礼。

朱元璋皱眉,看向顾正臣:“所以,这是晋王操纵出来的影子?”

顾正臣点头:“确实如此。”

朱元璋之前还疑惑朱棡为何不在,感情是藏在了楼顶。

朱棡拿过一个铁皮箱子,还有一个圆筒与蜡烛,对朱元璋道:“父皇,这东西看着神奇,但说穿了也没什么,和皮影戏差不多。不过皮影戏是在布后操纵,而这个,则不需要设布,可以直接投影到墙上。”

朱元璋上前看了看,就这点乱七八糟的东西,还有一堆纸片,竟制造出了令人称奇,简直为神技的光影?

顾正臣看着让人关了窗户,准备演示给朱元璋看的朱棡,沉默地站在一旁。

说白了,这就是一个很粗糙的投影仪。

用铁皮做成一个箱子,在箱子正前方装一个圆筒,内置可滑动的凸透镜,箱内安置烛光充当光源,通过纸片的插入与移走,最终形成投影效果。

说复杂,倒也算是用了不少机关巧术,说简单,就是光的反射。

只不过这玩意很粗糙,细节上无法呈现太多,加上烛光作为光源并不算明亮,导致光影效果不佳,也就是天黑房间黑,效果呈现出来有点效果,但凡多点光,投影估计也看不到了。

本小章还未完,请点击下一页继续阅读后面精彩内容!费尽心机,大费周章,不惜“装神弄鬼”,就是为了让避雷针安装到皇宫里去。

这是没办法的事,避雷针可不是在屋顶上弄根铁就够了,那玩意需要在地底下埋设很多管子,确保强大的电流可以进入大地。想要在皇宫动工修东西,没个名正言顺的理由,老朱不会让动工,即便是顾正臣请求来了动工之权,万一泰山地震了,这笔账一定会算在顾正臣脑袋上,理由就是动了皇帝根基……

动工理由是一个原因,另一个原因就是老朱的心思,他是天子,雷霆之力,那可就是天威,自古以来,天威难测,也没哪个皇帝可以承受天威,在天威之下安枕无忧的。

老朱想的是,这避雷针可以修,但必须是老天给的,要不然怎么给百姓解释这神器的来由,说是你们格物学院的发明创造,这不仅有损皇帝的威严,还动了老天爷的饭碗,这是跟老天爷对着干,你格物学院什么身份,有这个资格和老天斗吗?

世界就是这样,为了一个目的,有时候不能直来直去,需要绕几个弯,费一番力,给人提供好了情绪价值,这事好办成。现在老朱的情绪价值到了,避雷针这事就好办了…… 「求催更,求月票,现在平台催更、月票与流量挂钩,还请多多支持下寒门与惊雪,让寒门数据好起来,流量多起来。感谢难得自在应如打赏,感谢不可以吃霖酱与晁一清的打赏与红包,感谢爱偷瓜的猹、草虫等等的打赏,感谢大家的投票与支持,希望寒门可以冲上去,感谢!」

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