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The Magnified Tip Of A Tungsten Needle [Pic]

Hits: 12576 | Rating: (2.9) | Category: Science | Added by: patchgrabber
Jump to: Bottom    Last Post
jcarb10
Male, 18-29, Western US
 25 Posts
Sunday, October 21, 2012 10:40:31 PM
real atoms dont look as pretty as the pictures in your elementary school textbook guys

jendrian
Male, 18-29, Canada
 2490 Posts
Wednesday, October 17, 2012 6:27:00 PM
@Andicicle: that's mistakes made during measuring, it says so in the AIP source of the picture. Kinda like a blur when your hand isn't stable enough while taking a picture.

Andicicle
Male, 18-29, Eastern US
 466 Posts
Wednesday, October 17, 2012 4:13:04 PM
Also, if its atoms, why is there several red blobs? That matter is apparently magical in that it isn't composed of atoms.

Mikeoxsbiggg
Male, 30-39, Canada
 1202 Posts
Wednesday, October 17, 2012 1:33:58 PM
This place is a regular brainazium, if such a thing ever existed.

trippyhippy9
Male, 18-29, Eastern US
 562 Posts
Wednesday, October 17, 2012 4:45:49 AM
Since smart people tend to already know stuff, they get bored more easily.

carmium
Female, 50-59, Canada
 6401 Posts
Tuesday, October 16, 2012 11:06:57 PM
What a lot of smart people we have hiding in the IAB crowd! 8-O

jendrian
Male, 18-29, Canada
 2490 Posts
Tuesday, October 16, 2012 10:36:36 PM
@WesleyV78: it's not a "photography", if that's what you're referring to, but I can tell you with absolute certainty that those pictures are of atoms and are not done with photons: they are done collecting information about the variation of the fields as the probe approaches a sample. The idea being that if the calculated interaction variable between the probe and the sample matches the influence measured externally, then you can deduce the distance between the probe (which you know) and the sample with some post processing, the specifics of which I personally haven't worked with but it doesn't seem implausible or wrong.

So yeah, no photonic-graphs are possible, but pictures are.

WesleyV78
Male, 30-39, Southern US
 105 Posts
Tuesday, October 16, 2012 8:56:12 PM
Maybe it is a real picture. However, the description is wrong. Atoms cannot be photograghed. It is a simple analysis of photons that prevent forever the visual rendering of atoms. Also, picture 2 out of 10. Whatever it is a picture of is uninteresting and mislabeled.

ORGNCHEMST
Male, 18-29, Midwest US
 36 Posts
Tuesday, October 16, 2012 7:57:09 PM
It's not fake, but it's also not the sharpest thing ever made. The cantilevers used in atomic force microscopy are much "sharper"

jendrian
Male, 18-29, Canada
 2490 Posts
Tuesday, October 16, 2012 5:26:46 PM
@SmagBoy1, well given that Tungsten is a single element, then yeah those are atoms.

The picture is of course false colour.

I am a physicist, though not exactly an "atomic scientist", but I can tell you mapping individual atoms has been possible for some time now, so there's nothing particularly incredible about the fact that we took a picture of the atoms of something.

SmagBoy1
Male, 40-49, Southern US
 4222 Posts
Tuesday, October 16, 2012 4:03:15 PM
I accept that American Institute of Physics picture says it's an atom, but I'm going to say that's a mistake, and that they meant "molecule." I'm not certain of course. But, here's the article that Runemang was talking about: here. Maybe an atomic scientist can help us out?

chalket
Male, 50-59, Southern US
 2481 Posts
Tuesday, October 16, 2012 3:49:21 PM
To all of you crying "Fake!"
"Any sufficiently advanced technology is indistinguishable from magic." - Arthur C. Clarke

American Institute of Physics wouldn't lie, would they?

Tacos4Brkfst
Male, 18-29, Western US
 605 Posts
Tuesday, October 16, 2012 3:32:17 PM
Fake? huh?


Quackor
Male, 18-29, S. America
 2864 Posts
Tuesday, October 16, 2012 3:17:24 PM
fake

Jakk88
Male, 18-29, Europe
 44 Posts
Tuesday, October 16, 2012 2:19:19 PM
Source Although I don't know the reliability of that site.

gibb0
Male, 13-17, Europe
 187 Posts
Tuesday, October 16, 2012 2:08:36 PM
Actually I'm not sure..

gibb0
Male, 13-17, Europe
 187 Posts
Tuesday, October 16, 2012 2:06:48 PM
Yeah it's certainly possible to capture atoms in a pciture but this does seem very HQ

Runemang
Male, 30-39, Midwest US
 2498 Posts
Tuesday, October 16, 2012 2:01:49 PM
Fake as fake can be faked. Scientists just managed to photograph the shadow of an atom a few months ago ... and we're to believe detail like this? Nuh-uh. Sorry. HEAVILY-CGId reproduction at BEST.

NNoamfer
Male, 18-29, Europe
 1192 Posts
Tuesday, October 16, 2012 1:50:40 PM
How did they manage to photograph atoms in such high detail? Is this CG?

patchgrabber
Male, 30-39, Canada
 5708 Posts
Tuesday, October 16, 2012 1:21:03 PM
Link: The Magnified Tip Of A Tungsten Needle [Pic] [Rate Link] - A Tungsten Needle is the sharpest object ever made by man. The circles are individual atoms.


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