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7种真实存在的奇异金属

7 Strangest Coolest Materials Which Actually Exist !

Welcome to TTI and welcome to a whole new world of science.
欢迎来到TTI 欢迎来到全新的科学世界
Today we’re going to explore the seven most unique materials
今天我们要探索七种那些你认为
that you would think would have to be from the world of science fiction
仅存在科幻小说中的非凡材料
But stay tuned because we’re going to run where the science behind that
别走开 因为我们即将在科学世界中与之接触
So my friend sit back relax and enjoy the video.
所以朋友 舒服地坐下来享受本视频吧
No.7

Ultra hydrophobic material
超疏水材料
Generally there is some interaction between solid and liquid
液体与固体之间普遍存在着某些相互作用
but it’s difficult to imagine these unique tiny drops
但难以想象的是 这些独特的小液滴
that are unable to wet the surfaces of material.
竟无法润湿这种材料表面
Scientists has made some great progress in recent decades in the field of hydrophobicity
近几十年 在疏水性领域 科学家们已取得
and opening a wide range of applications.
许多令人瞩目的成就和非常广泛的应用
The hydrophobic surface is based on the Lotus effect.
疏水表面源于荷叶效应
This effect was discovered in the 1970s
该效应于上世纪七十年代
from the microscopic observations of the natural hydrophobic properties of the surface of a lotus leaf.
在对荷叶疏水性的显微观测中被发现
The Lotus plant is comprised of an adhesive nonpolar and wax-like substance
荷叶由一个类似蜡的 无极性黏着物质构成
which is what causes the Lotus effect or hydrophobicity
这造成了荷叶效应或是超疏水效应
which is featured by the lotus flower
即荷叶的特点
which always appears clean despite growing in muddy areas.
使其能出淤泥而不染
Research in this field is very advanced and focused on finding a material
此领域的研究已非常先进 它专注于
with the highest level of water repellency
寻找一种接近于完全防水的
to achieve a material extremely water repellent
具有极高斥水性的材料
which would be a huge help for many industrial fields.
从而为众多工业领域带来极大效益
This is a live demo of a hydrophobic surface.
这是疏水面的一个现实示范
Its water repellency is investigated by simply insulating it and dipping it in water.
将防水处理后的产品放入水中可以测量其防水性
The insulated device is protected by water damage
防水装置可以避免进水后产品损坏
which we extremely love for our smartphones during the rain.
这是我们在雨天对手机最喜欢的功能了
In addition, your walls can be protected from any dirt after being coated with this magic materials.
此外 在覆盖这层魔法材料之后 你的墙将不受污垢侵染
No.6

Triiodide
三碘化物
Nitrogen triiodide is one of the chemical compounds which is highly unstable.
三碘化氮是一种极其不稳定的化合物
It can be detonated by contact and any disturbance.
触碰或者干扰都会引爆它
Nitrogen triiodide is the molecule consisting of single nitrogen atom
三碘化氮是由单个氮原子和三个碘原子
which is bonded by three iodine atoms.
组成的分子
It’s structure is similar to a pyramid
结构与金字塔相似
with nitrogen at the tip
氮原子位于顶端
and iodine is much larger than those of nitrogen
碘原子比氮原子大得多
and have very little space to get together around with each other.
只有极小的空间来相互环绕
You might have heard that nitroglycerin
你或曾听过硝酸甘油
which is another type of contact explosive
另一种接触爆炸物
can go off when you hit it with a hammer
当你敲击时就会爆炸
While iodide with its ammonia
虽然碘离子和氮
should be kept in moist conditions in a dark place where it is stable.
应该放置在潮湿阴暗的地方以保持稳定
But if it’s sufficiently dried at the right moment
但只要在充分干燥的情况下
it can blow up from just the slightest disturbance.
极其轻微的触碰都能将之引爆
this explosion releases a purple iodine vapor
爆炸将产生一种刺激性的紫色碘蒸汽
which is irritating and can actually be toxic with extended exposure
长时间接触这种蒸汽可致人中毒
In fact on April 1st
事实上 在八月一号
it earned the credit for being a highly explosive substance
它被评为极易爆物
sharing the same core as the famous nitroglycerin.
与硝酸甘油齐名
No.5

Hydrogel
水凝胶
Hydrogel is a gel polymer able to absorb water 30 to 60 times its own volume
水凝胶是一种能够吸收30到60倍自身体积水量的胶凝聚物
and it’s able to change its size under the influence of temperature
同时它能够在温度的影响下改变自身形状
it’s composed of small white crystals
它由能够吸大量水的
that are able to absorb a lot of water.
细小白色晶体组成
The total absorbency and swelling capacity
其吸水性和溶胀度
are controlled by the type and degree of cross linkers used to make the gel.
是由制作该胶的交联剂的种类和浓度所决定的
Thanks to its amazing water absorption capacity
由于它惊人的吸水性能
it’s used in greenhouses and agricultural nurseries.
将其应用于温室和农圃中
to retain water and moisture in soil for a much longer time.
可以长时间地锁住土壤中的水分
In recent years the hydrogel has been used as a single plant substrate.
近几年水凝胶被用于盆栽基底
This product is also getting attention in the field of decorative ornamentation indoors.
这种产品也逐渐获得室内装饰领域的关注
The material also is commonly used for medical purposes for tissue engineering
该材料也在药用组织工程学和
and in sustained-release systems of medication.
药物缓释系统领域被广泛使用
No.4

Nitinol
镍钛诺
Nitinol is composed of nickel and titanium in almost equal proportions.
镍钛诺是用几乎相同比例的镍和钛组成的
It has the special ability to rebound to its original form
不论你把它如何变形
even after you mold it into different shapes.
它都能神奇地恢复为原始形状
A phenomenon called the memory effect
这种叫作”记忆效应”的现象
which is driven by heat exchanges
是由热量交换所驱动的
it is able to repeat this process many times over
它能够多次重复这种过程
without losing the ability to regain its original shape.
直到失去复原形态的能力
This material has a wide range of applications in the fields of electronics and mechanics
在电子和机械工业领域 其材料应用广泛
It can also be used in smartphones, robotics and medical industries.
它同样能应用于智能手机 机器人学和医药领域
Development and continuation of this material is very expensive.
这种材料的开发和持续研发费用昂贵
But this problem can be solved by the mass production of the material in the coming years.
但如果能在未来几年大量投入生产 问题将迎刃而解
No.3

Metal gallium
金属镓
Gallium metal is one of the least known in the scientific field.
镓金属在科学界是极少人问津的一种
This strange metal is very mysterious
这种陌生的金属是科学生态中
and difficult to understand for members of the scientific community.
极其神秘且难以理解的一员
Gallium is a soft metal which is a brittle solid at low temperatures
镓是一种软金属 在低温下是易碎固体
and liquid at temperatures greater than twenty nine point seven six degrees celsius.
温度高于29.76摄氏度时变成液体
If you keep it in the palm of your hand for just a few minutes
如果你把它放在你的手心中几分钟
Your body heat will cause the solid metal to gradually turn to a liquid.
你的体温将让固体金属逐渐融为液体
gallium has the same metallic color in both solid and liquid forms.
无论固液形态 镓都是相同颜色
Upon solidfication into a mold it becomes just like this coin.
在模具中凝固 它变成像这样的一个硬币
This metal is very cool because it’s a non-toxic material.
这种金属非常炫酷 因为它是无毒材料
But it’s certainly not cheap
当然它也不便宜
one kilogram of this metal cost three thousand dollars
一千克价值三千美金
which is an extremely high price that goes to show just how much it must cost to extract it
这个价格如此之高 更遑论提炼的费用了
No.2

Aerogel
气凝胶
Also known as frozen smoke,
气凝胶又叫”固态烟”
aerogel is a broad term used to talk about a special group of materials.
从广义上来说 它指的是一组特殊的材料
they have been used since the early 1960s in space travel
早在上世纪六十年代就已经应用于航天领域
but scientists are now finding multiple uses.
但如今科学家已将其开发出多种用途
Thanks to its properties, the aerogel is the lightest solid material that exists today.
气凝胶是世界上最轻的固体材料
Its chemical structure is similar to glass
其化学结构类似于玻璃
but its density is a thousand times lower
但密度比玻璃小了一千倍
and it’s only three times as dense as air
仅为空气的三倍
Because it contains 99% air ingredients with silica gel.
因为除了硅胶 它99%的成分是空气
Despite its low weight this material is very strong.
尽管它的质量很轻 但性质坚固
It has heat insulation properties that have been exploited by NASA engineers to the fullest.
它的热隔绝性能已被NASA工程师开发到极致
NASA use this material in several of its spacecraft to provide heat protection of the sun.
NASA在几艘飞船上应用此材料以阻挡太阳热量
Today the aerogel is used in the detection of nuclear radiation
如今气凝胶被用于检测核辐射
absorption of long-lived nuclear waste
吸收长时间存在的核废料
thermal insulation and detection of harmful microorganisms.
隔绝热量和检测有害微生物
No.1

Magnetic Thinking Putty
磁性粘土
This stuff is pretty cool to play with.
这东西玩起来超级炫酷
This magnetic monster is so amazing and full of fun.
它是非常神奇非常有趣的磁性怪兽
It can be created by simply adding ferric iron oxide powder
只是简单地往普通弹性橡皮泥里添加
to regular silly putty and then the putty becomes ferromagnetic.
三氧化铁铁粉就能让粘土具备磁性
Only strong magnets that are also ferromagnetic
只有强磁性的磁体
will be engulfed by this tiny magnet monster.
才会被这些细小的磁性怪兽吞没
If you place a Ferro magnet in the magnetic field
如果你在磁场中放一个磁铁
It will experience a force that pulls into a region of stronger magnetic strength.
它会被一种力量拉进一个具有更强磁力的磁场
Thank you for watching I hope you liked it.
感谢观看 愿君喜欢
Now tell me guys
现在告诉我吧
which one of these materials do you find the most amazing and why.
你们觉得这里面哪一种材料最神奇 为什么
Let me know in the comments
写在评论中吧
and if you’re new here then feel free to subscribe
如果你是第一次收看我们的节目 欢迎订阅
I’ll catch you in the next video.
下期节目再见吧
Peace!
再见

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视频概述

一身不用永远不用洗的衣服 一身轻如羽毛的坚硬铠甲 一只变形金刚 万磁王..............这是真的?

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翻译译者

zohar

审核员

审核员U

视频来源

https://www.youtube.com/watch?v=Mo1lDsESD90

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