第2347章 阿基米德(2 / 2)
诸天万界神龙系统
维斯特帕列
1109 字
2022-05-31
“是的,这份方案和阿基米德当年用镜子烧毁马塞拉斯所率领的罗马舰队是一样的!一束激光的能量强度不够,那就用一千束、一万束激光!将这些激光对准同一个区域进行照射,成千上万的激光束叠加,就算有散射和大气造成的能量削弱,依旧可以达到点燃混合气体所需要的能量强度!”最早那名科学家大声喊道,“这个方案一定可行!”
传说,阿基米德年老的时候,他所在的城邦叙拉古和罗马爆发了战争,罗马军队的最高统帅马塞拉斯率领庞大的舰队来袭,只依靠叙拉古的军事力量完全无法抵挡马塞拉斯的军队。
阿基米德虽然不喜欢战争,但他更不想自己的家乡被敌人破坏,于是他想到了一个办法,他让妇女和孩子们每人都拿着自己家中的镜子一齐来到海岸边,让镜子对准强烈的阳光,集中照射到敌舰的主帆上,千百面镜子的反光聚集在船帆的一点上,船帆燃烧起来了,火势趁着风力,越烧越旺,马塞拉斯根本不知道船帆是怎么燃烧的,认为叙拉古有神灵庇佑,于是不敢继续进军,连忙带着剩余的船队撤走了。
当然,这只是一个寓言故事,经不起科学验证,首先,就算是铜镜,在阿基米德生活的时代也是奢侈品,叙拉古城能不能找到这么多面镜子可不好说。
其次,铜镜的反射能力远不如玻璃镜子,就算找到这么多镜子,恐怕也很难成功。
另外,让许多面镜子同时对准一个地方可不是依靠肉眼判断就能完成的任务,科普节目《流言终结者》就对这一传说进行了验证,他们发现,当镜子上升到十二块的时候,操作镜子的人就很难知道自己控制的镜子反射的究竟是那一束光了。
根据节目的测试结果,在140尺远的距离,用300面铜镜使静止的船体冒烟,而当镜子对准帆的时候,热量大量流失,因为帆是白色的,而且风一吹便前功尽弃。
最后在75尺的地方,用玻璃镜点燃了静止的船体,但是这么近的距离,已经足够让罗马人发起进攻了,所以阿基米德的方案并不具备实战价值。
历史上也有人做过类似的验证,1747年杜布芬伯爵用168面玻璃镜在150尺外烧起木头,但那是涂上木馏油的木头;1973年希腊科学家艾欧尼-沙卡斯博士,他让60名水手拿着6尺长2尺宽的反射镜,在160尺外点燃一片钉在划艇上的夹板,可这些同样不具备实战价值。
日后地球的科学家们也试验过类似的武器,都因为同样的原因最终放弃了。
但是,把这个思路转移到《流浪地球》世界所面临的危机,却又很强的可操作性,依靠人力无法准确控制这么多激光发射器同时对准一个区域,moss却可以做到,它分辨每一束激光的落点可不是依靠肉眼。
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