如何能长生不老？近百名科学家共同研究，未来人类或成“机器人”
长生不老即长存于世界，与世界同生共死，这是许多人曾追求的目标。从古代秦始皇追求长生丹药，到现代生物科学的各种研究，无不表现出人类对于长生不老的极力渴望。
现代科学早已指出，生命随着细胞的衰弱而不断的流逝，这是不可逆转的自然规律。然而当人类知道这个真理的时候，却更加激励人类要打破这个自然规律。比如有的科学家在研究如何让细胞停止衰老或者让细胞衰老变慢，以保持细胞活跃，人就不会老去。而有的科学家在研究人的本质是什么，如何将人的本质提取出来，转移到永生的物质上，让人的本质与物质长久活下去。这些技术和理论的研究从未间断，长生不老的追求也从未间断。
如今，在21世纪科技发达的时代，机器人也已不是梦想，即便还没有人这般智能，但已从想象成为了现实。而研究长生不老的科学家们发现了一个方法，将人类变成机器人，人类是不是也就永生了呢？从理论上来说，人类的躯体，实际上是可以抛弃的，躯体的作用是维持人体存活，维持和容纳人的思想和意识。因此，如果将思想和意识提取出来，换到另一个躯体之中，那么人还是这个人，只是外貌变了而已。
俄罗斯德米特里科夫提出的一项永生计划，也称为“阿凡达”计划，现已经有上百名科学家参与其中。该永生计划就是将人体的记忆、意识、思想等做成芯片，然后植入到机器人中，当机器人启动之后，它具有的记忆、意识、思想等就与活人一般无二。机器人的生命长度，就是这个人的生命长度，机器人能永生，那么他也就能永生。这项计划正是从长生不老的角度出发，利用现有的科技基础，提出的新理论，而这也是人类科技最容易实现的方式之一。
因此，在未来，或许大街小巷的人，都是永生的机器人。而且机器人无需吃饭睡觉，只要具备维持活动的能量，就可以随意活动。当然也免除了疾病和细胞代谢的痛苦，只需要换新零件，配备功能高效的辅助零件，生活将会变得无比轻松自在。这便是未来机器人世界的景象，人类期待着，盼望着，或许也有人畏惧着。有人说长生存在的无聊，比死亡还可怕。也有人说机器人时代会磨灭人与人之间的人性、感情，这就不是真正的人了。在判别长生不老的好与坏时，人类谁都不可知，只有经历过，才能知道结果。
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