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the periodic table is instantly 周期表是即时的
recognizable it's not just in every 可识别的不仅仅是每一个
chemistry lab worldwide it's found on 世界各地的化学实验室它被发现了
t-shirts coffee mugs and shower curtains T恤咖啡杯和浴帘
but the periodic table isn't just 但周期表不仅仅是
another trendy icon 另一个时尚偶像
it's a massive slab of human genius up 它是人类天才的巨大板块
there with the Taj Mahal the Mona Lisa 那里有蒙娜丽莎的泰姬陵
and the Ice Cream Sandwich and the 和冰淇淋三明治和
tables creator Dmitri Mendeleev is a 表创建者Dmitri Mendeleev是一个
bonafide science hall-of-famer but why bonafide科学名人堂，但为什么
what's so great about him in his table 他桌子上有什么好看的
is it because you made a comprehensive 是因为你做了一个全面的
list of the known elements now you don't 现在你没有已知元素的列表
earn a spot in science Valhalla just for 在瓦尔哈拉科学中获得一席之地
making a list 列表
besides Mendeleev was far from the first 除了门捷列夫还远远不是第一个
person to do that 有人这样做
is it because Mendeleev arranged 是因为门捷列夫的安排
elements with similar properties 具有相似属性的元素
together not really that had already 在一起并不是真的
been done - so what was Mendeleev genius 已经完成了 - 所以Mendeleev天才是什么
let's look at one of the first versions 让我们来看看其中一个版本
of the periodic table from around 1870 1870年左右的元素周期表
here we see elements designated by their 在这里我们看到他们指定的元素
two letter symbols arranged in a table 在表中排列的两个字母符号
check out the entry at the third column 看看第三栏的条目
fifth row there's a dash there from that 第五排那里有一个冲刺
unassuming placeholder Springs the raw 不起眼的占位符泉原始
brilliance of Mendeleev that dash is 门捷列夫的辉煌
science by putting that dash there 科学把那个冲刺放在那里
Dmitri was making a bold statement he 德米特里正在大胆地发表声明
said and I'm paraphrasing here you all 说，我在这里解释你们
haven't discovered this element yet in 还没有发现这个元素
the meantime I'm going to give it a name 与此同时，我要给它一个名字
it's one step away from aluminum so 它离铝只有一步之遥
we'll call it eka aluminum Iike being 我们称之为eka aluminium Iike
Sanskrit for one nobody's found eka 一个人的梵文找到了eka
aluminum yet so we don't know anything 铝，但我们什么都不知道
about it right wrong based on where it's 根据它的位置来判断它是对的
located I can tell you all about it 位于我可以告诉你一切
first of all an atom of eka aluminum has 首先是eka铝的原子
an atomic weight of 68 about 68 times 原子量68左右，约68倍
heavier than a hydrogen atom 比氢原子重
when eka aluminum is isolated you'll see 当eka铝被隔离时你会看到
it's a solid metal at room temperature 它是室温下的固体金属
it's shiny a conducts heat really well 它有光泽，导热非常好
it can be flattened into a sheet 它可以被压平成一张纸
stretched into a wire but its melting 拉成一根电线，但它融化了
point is low like freakishly low oh and 点很低，就像特别低的哦
a cubic centimeter of it will weigh six 一立方厘米的重量为六
grams Mendeleev could predict all of 克门捷列夫可以预测全部
these things simply from where the blank 这些东西只是空白的地方
spot was and his understanding of how 现场是和他如何理解
the elements surrounding it behaved a 围绕它的元素表现得很好
few years after this prediction of 这个预测后的几年
guy named paul émile lecoq de bois 名叫paulémilelecoqde bois的家伙
spelled lung 拼肺
discovered a new element in our samples 在我们的样本中发现了一个新元素
and named it gallium after gall the 然后将它命名为镓
historical name for France gallium is 法国镓的历史名称是
one step away from aluminum on the 离铝的一步之遥
periodic table it's iike aluminum so 周期表这是非常的铝
we're Mendeleev's predictions right 我们对门捷列夫的预测是正确的
gallium is atomic weight is 69 point 镓的原子量是69点
seven to a cubic centimeter of it weighs 七到一立方厘米的重量
5.9 grams it's a solid metal at room 5.9克它是房间里的坚固金属
temperature but it melts at a paltry 30 温度，但它在微不足道30融化
degrees Celsius 85 degrees Fahrenheit it 摄氏度85华氏度
melts in your mouth and in your hand 融化在你的嘴里和手里
not only did Mendeleev completely nail 门捷列夫不仅完全钉牢了
gallium he predicted other elements that 镓他预测了其他元素
were unknown at the time scandium 在钪时尚不得而知
germanium rhenium the element he called 他称之为锗元素
eco manganese is now called TechNet 'i'm 生态锰现在被称为TechNet'我
TechNet IAM is so rare it couldn't be TechNet IAM是如此罕见，它不可能
isolated until it was synthesized in a 分离，直到它在一个合成
cyclotron in 1937 almost 70 years after 回旋加速器在1937年差不多70年后
Dmitri predicted its existence thirty 德米特里预测它存在三十个
years after he died 他死后数年
Dmitri died without a nobel prize in 德米特里在没有诺贝尔奖的情况下去世了
1907 but he wound up receiving a much 1907年，但他收到了很多
more exclusive honor in 1955 scientists 更是1955年科学家的独家荣誉
at UC Berkeley successfully created 17 在加州大学伯克利分校成功创建了17个
atoms of a previously undiscovered 以前未被发现的原子
element this element filled an empty 元素这个元素填空
spot in the periodic table at number 101 在101号周期表中找到
and was officially named mendelevium in 并被正式命名为mendelevium in
1963 there have been well over 800 Nobel 1963年有超过800名诺贝尔奖
Prize winners but only 15 scientists 获奖者但只有15名科学家
have an element named after them so the 有一个以它们命名的元素所以
next time you stare at a periodic table 下次你盯着周期表
whether it's on the wall of a university 是否在大学的墙上
classroom or on a five-dollar coffee mug 教室或五美元的咖啡杯
Dmitri Mendeleev the architect of the 德米特里门捷列夫的建筑师
periodic table will be staring back 元素周期表将盯着看
you 您