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You can't smell metal

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You can't smell metal

Pick up a shirt!

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Metal has no odor and you can't smell it. But what are we smelling then?

It turns out that it's mostly a chemical called 1-octen-3-one, which is generated when your skin oils react with metal that you've touched.

I thought this was really interesting, and I decided to try making pure 1-octen-3-one myself and to see what it smelled like.

Procedure:


Background info:



1-octen-3-ol:

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COVID-19: Effects on Sense of Smell and Taste

Dr. Alfred-Marc Iloreta discuss COVID-19 and the effects on sense of smell and taste.
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Does Metal Actually Have a Smell...Or Have You Been Fooled?

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Could you smell iron man's suit? In this video I test if metal, such as iron, actually has a smell. When you smell metal, are actually smelling the metal or something else? I do an experiment to show you what is happening and then talk about the science behind why we think that metals have a smell, or taste.

Read more about this here:

WARNING:
If you use the information from this video for your own projects then you assume complete responsibility for the results.

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I Can't Taste Anything

Adrian Wellock lost his sense of taste. After suffering a cold, he started getting a metallic taste in his mouth, which took his palate with it. These days, he only eats foods that are simple to chew and adds spice and herbs to ratchet up the smell. Find out what it's like when everything, actually tastes like nothing.

#Taste #Food #Senses

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Great Big Story is video network dedicated to the untold, overlooked & flat-out amazing. Humans are capable of incredible things & we're here to tell their stories. When a rocket lands in your backyard, you get in.
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Why Q-Tips are bad

Most people don't use Q-tips properly and wind up putting them inside their ears to feel clean. Big mistake! Not only is ear wax good for you, but putting a Q-Tip anywhere except for the outermost parts of your ear can be a big detriment to your health.

William H. Shapiro, an audiologist and a clinical associate professor from NYU Langone, reveals why we should stay away from Q-Tips.

Produced by Corey Protin. Camera by Grace Raver.

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Doom - Can't Smell the Coffee

Crust Punk.

Osmium - The DENSEST Metal On Earth!

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Do not repeat the experiments shown in this video!
So today I want to tell you about the heaviest metal on earth – Osmium, it has the highest density of all of the metals.
In the periodic table of chemical elements osmium is in the 8th group, under the atomic number 76.
In addition to having the highest density of all the metals, another one of osmium’s traits is its color as it has a pronounced bluish tinge. As an example, if we compare it with a drop of iridium, you can easily notice the blue color of the droplet of osmium, which weighs one gram.
By the way, iridium takes the seconds place of the highest density metals and it was pretty close as the density of it differs by only one tenth of a percent from that of osmium. You may also notice the small size of the droplet of osmium weighing 1 gram in comparison with my finger.
On this massive photo I compared the density of different metals, the mass of each of them is equal to one gram. We begin with osmium with the highest density of them, then it is iridium, then lead, cobalt, iron, tin, yttrium, aluminum, magnesium, and finishing with sodium whose density is almost the same as that of water.
On this photo you can see how largely the density of the 2 metals can vary. Looking at the physical properties, osmium is very fragile and at the same time a fairly hard metal, the hardness of which on the Mohs scale is comparable to quartz.
Because of this property it is used in the tips of some expensive fountain pens. However, due to its hardness and brittleness osmium is effectively very badly suited for processing, so you’re unlikely to find any jewelry of this metal.
Nonetheless, to get some aesthetic pleasure you can look at these beautiful single crystals of osmium, which have a very pronounced grain structure.
These crystals were obtained by the method of gas transport and have an extremely high purity. I would like to thank the author of the website periodictable.ru for providing these unique samples of osmium for our shooting. These crystals have very little practical applications, though you can obtain very pure compounds of osmium from them.
Nowadays, osmium is produced mainly as a byproduct from the production of either copper or nickel. This metal is one of the rarest, there are about 50 parts of osmium per trillion parts of the earth's crust. According to some data, osmium is considered to be the most rare non-radioactive metal on Earth.
From the chemical point of view, osmium is a very stable metal. The powder of osmium reacts very poorly with the concentrated nitric acid and aqua regia.
However, when exposed to air osmium powder can oxidize to a highly toxic osmium tetroxide, hence osmium powder is stored in sealed ampoules. When heated, the powder of osmium can catch fire, forming burning particles and once again the toxic osmium tetroxide.
For the first time on YouTube you are now seeing the combustion of osmium in air. Also, if a drop of osmium is heated in air, it will at first become shiny, because at high temperatures the resulting osmium tetroxide evaporates from the surface of the metal.
However, during cooling, the bead of the metal gets covered with a dark film of osmium oxides of different oxidation states, which gets a crystal-like appearance.
Osmium tetroxide, formed by the reaction of osmium and oxygen, according to some sources, has the smell of garlic (don’t add it to your cooking please!), and even in spite of all its toxicity has several uses.
For example, the osmium tetroxide is used in organic synthesis, in particular for the reaction of Lumio-Johnson which you can on the screen now.
In addition, this substance is used as a dye in microscopy, in forensics to identify fingerprints, and also as an intermediate product in the production of pure osmium from ore. Pure osmium is now rarely used because of its high cost and even then only in the form of a powder, for instance, for experimental research.
By the way, it’s quite interesting that in the early missions of the space Shuttle they had spectrometers that used mirrors coated with osmium as this metal reflects ultraviolet radiation 2 times better than gold.
In the end, we can say that this rare metal osmium, despite its unique high density, is still not as common in applications, such as, for example, gold. The main reason is the toxicity of its tetroxide, and then the high price.

Astronaut Chris Hadfield Debunks Space Myths | WIRED

Retired astronaut Chris Hadfield helps debunk (and confirm!) some common myths about space. Is there any sound in space? Does space smell like burnt steak? Is NASA working on warp speed?

ONE STRANGE ROCK airs Mondays at 10/9c on National Geographic.

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Astronaut Chris Hadfield Debunks Space Myths | WIRED

The Dirty Truth: Why You Need to Descale

Descaling your espresso machine is a very important step in machine maintenance. Scale build-up inside the boiler, caused by minerals in your water, can create a number of problems affecting your machine.

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All about Mercury, the Liquid Metal | Element Series

In this video, I'll be talking about the very interesting element Mercury. I try to cover as much as I can, including its properties, its history and interesting reactions.

Let me know what other element you would like to see. Keep in mind that this takes a lot of work though, and that not all elements will be possible (due to rarity and/or danger).

Let me know if I forgot anything in the description. I probably left out links or something.

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Previous aluminum amalgam video:

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Pharaoh's Serpent (original):
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How to Clean Your Garbage Can - Indoor & Outdoor (Clean My Space)

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When mercury is added to aluminum, it forms an amalgam (a mercury alloy).

Aluminum is normally protected by a thick oxide layer, but the formation of the amalgam disrupts it. It allows fresh aluminum to react with air to form white aluminum oxide. As the oxide grows, it forms as these cool white fibers.

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10 Awesome Vinegar Life Hacks you should know.

We've put together a list of 10 interesting ways to make that bottle of vinegar work for you. Audible Trial:
Topics covered:
1. Unclogging a drain
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4. DIY Cleaning Products
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6. Getting Wrinkles out of clothing (My favorite)
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Feel Good Inc. (metal cover by Leo Moracchioli)

Original by Gorillaz

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Greentea Peng - Downers | A COLORS SHOW

Limited edition collab shirt with Greentea Peng out now on COLORS Shop:

London singer Greentea Peng comes through with a tantalising performance of previously unreleased single ‘Downers’.

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Alien Ant Farm - Smooth Criminal

Music video by Alien Ant Farm performing Smooth Criminal. (C) 2001 Geffen Records

Hoobastank - Crawling In The Dark (Official Music Video)

REMASTERED IN HD!

Music video by Hoobastank performing Crawling In The Dark. (C) 2001 The Island Def Jam Music Group

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HOW TO REMOVE ANY SMELL FROM YOUR HANDS!

and smell remover.
You don't have to buy smepcial soap, you can just use any steel that is 18/20 like stainless steal bottles or spoons, knifes..
Screen Shot 2014-05-22 at 7.56.44 PM
Question: How Does Stainless Steel Remove Odors?
Answer: One household tip for removing odors from fish, onions, or garlic from your hands is to rub your hands across the blade of a stainless steel knife. In fact, you can even buy stainless steel 'soaps', which are just hunks of stainless steel that are about the same shape and size as a bar of normal soap. Does stainless steel remove odors? If so, how does it work?

There isn't a lot of hard scientific data (that I have seen anyway) concerning stainless steel odor eaters. However, you can test this kitchen wisdom yourself, using your nose to take data. Better yet, get someone else to smell your fingers, since your own sniffer will have odor molecules inside it already from exposure to the food.
My experience has been that the knife trick works, but only up to a point. If you have been working with onions, garlic, or fish long enough for their 'perfume' to be absorbed into your skin, the best you can do is to diminish the scent with the steel. Other types of odors are not affected by contact with the metal.

How It Works
This is speculation on my part -- if you know more about the chemistry behind this phenomenon, please feel free to write me. It makes sense to me that the sulfur from the onion/garlic/fish would be attracted to and bind with one or more of the metals in stainless steel. Formation of such compounds is what makes stainless steel stainless, after all. Onions and garlic contain amino acid sulfoxides, which form sulfenic acids, which then form a volatile gas (propanethiol S-oxide), which forms sulfuric acid upon exposure to water. These compounds are responsible for burning your eyes while cutting onions and also for their characteristic scent. If the sulfur compounds bind to the steel, then the odor is removed from your fingers.

6 'Undetectable' Poisons (and How to Detect Them)

Poisoning has always been a popular method of getting rid of one’s enemies, but is there actually a “perfect” poison capable of being completely undetectable? Here are 6 of the poisons that have confounded doctors throughout history!

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How to grow Tin Crystals!

In this video we will be growing some tin crystals using a stannous chloride solution and some electrolysis.

Music by Kevin Macleod. I forgot the song though...

Stannous chloride:

EDIT: It was pointed out by KotMatvej that the solution doesn't actually boil, but it is electrolytic sides reactions which are producing gas. These are the two side reactions that he suggested:

2Cl- -- 2e = Cl2
2H2O - 4e = 4H+ + O2

This was an oversight on my part and I am glad he was able to point this out!

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