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闲来无事,朗星河便和胡之腾说起核。弹来,他自己也知之甚少,不过是高中书本上的皮毛知识,“把原子核比作一个内镶嵌钢珠的地雷,中子就是钢珠,用一些外来的钢珠撞击地雷,地雷就炸了,能量释放,同时射出数个,高速钢珠,这些钢珠会撞击周围的其他地雷,引发更多的爆炸,产生更多的钢珠这个能就叫做链式反应,中子撞击原子核就是这样,原子核的结合能被释放,破坏力巨大”朗星河巴拉巴拉讲了许多。

胡之腾两眼冒蚊香圈,脑子发蒙,还是锲而不舍地问,“什么是原子核?”

“额这就要说到物质的构成了”朗星河又说起分子、原子、化学键,那些以为深埋尘土的记忆此时被唤醒过来,宛若昨日,历历在目。

上辈子的记忆被勾起,朗星河面色复杂,原来记忆从未死去或者遗忘,自己只是将他们打包收纳存放在了脑海的深处

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