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<div class="ss"><div><span>导读： </span>专家称非人类工艺！25万年前铝合金零件震动科学界。国外科学家近来对一块特殊的铝合金表现出浓厚兴趣，因为经实验室检测，这块金属已经有25万年的历史。要知道，人类制造铝金属的历史仅只有200年左右。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 专家称非人类<a href="http://optics.oecr.com" target="_blank" class="relatedlink">工艺</a>！25万年前铝合金零件震动科学界。<span style="line-height: 25.2px;">经实验室检测，这块金属已经有25万年的历史。</span><span style="line-height: 1.8em;">国外科学家近来对一块特殊的铝合金表现出浓厚兴趣。要知道人类制造铝金属的历史仅只有200年左右。据此，有学者猜测，也许这是外星人曾造访地球的证据。英国《每日邮报》报道，1973年，建筑工人在罗马尼亚中部的Mures河附近挖到这个古怪的金属块。金属长约20公分、宽12.5公分，厚7公分，形状类似斧头的一部分，但上面有个凹槽。</span></div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201610/24/152411tenoy979xdajbww4.png" target="_blank"><img src="data/attachment/portal/201610/24/152411tenoy979xdajbww4.png"></a></p><p style="text-align: center;"><br></p></div><div> 罗马尼亚科学家研究发现，这块物体含有12种金属成分，其中90%是铝，年代已有25万年之久。之后，瑞士洛桑的一处实验室也测得同样的结果。</div><div>随后有更多的各国研究人员加入到对这块特殊合金的研究当中，但作出的年代鉴定结果却差异巨大，最短为400年，最常为8万年。而即便这块金属只有400年历史，还是比人类掌握炼铝技术要早得多。</div><div><br></div><div> 有学者认为，依人类技术无法制作出这种合成金属，因此可能是外星文明遗留的证据。<span style="line-height: 1.8em;">罗马尼亚UFO研究学会的副主任Gheorghe Cohal向当地媒体表示：“如果地球当时不存在这种冶炼技术，则实验室的检验结果就证明它是UFO碎片”。</span><span style="line-height: 1.8em;">不过历史学家Mihai Wittenberger则认为，这块金属不过是二战时期德国战机的碎片，但UFO说的支持者反驳称，历史学家的说法无法解释其年代为何那么古老。</span><span style="line-height: 1.8em;">目前，这块神秘的铝合金金属块，陈列在罗马尼亚的Cluj-Napoca历史博物馆展出，其解说牌上面写着“来源不明”。</span></div><div><span style="line-height: 1.8em;"><br></span></div><div> 宇宙中还有很多未解之谜，上面的这篇内容大家喜欢吗？</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201610/24/152619ev20mytm6q59y0ei.jpg" target="_blank"><img 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