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(Smithsonian Magazine)   Macro or Micro? Can you tell which photos are from an electron scanning microscope or which are not? Not as easy as it may seem   (blogs.smithsonianmag.com) divider line 21
    More: Interesting, macros, Clark University, electron microscopes, NASA Earth Observatory, East Antarctica, image processing  
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5521 clicks; posted to Geek » on 20 Oct 2013 at 10:20 AM (52 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



21 Comments   (+0 »)
   
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2013-10-20 11:11:37 AM  
You can usually tell by identifying the false colors used by the scanning microscope.

When they start throwing in thermal imaging, they're pretty much saying they can't fool normal people with their plain images.
 
2013-10-20 11:14:29 AM  
ufopedia.edstraker.com
/obscure?
//OK I hate it when people post stuff and call it obscure but don't explain it... I guess that's part of the appeal but I like to learn
///UFO was a late '60s british sci-fi show and one episode had an Earth probe return pictures of the aliens' home planet but a malfunction made the scale of the pictures unknown
////wheee!!!
 
2013-10-20 11:21:06 AM  
H/T to Megan Garber at the Atlantic for the formatting idea.

Having to keep going up and down to see the answers is it's horrible formatting. They should have borrowed from one of the other million online quizzes.
 
2013-10-20 11:49:09 AM  
A zoomed-out picture of a large object may be the opposite of a zoomed-in picture of a small object, but "macro" photography also involves small objects.
 
2013-10-20 11:51:57 AM  

balthan: H/T to Megan Garber at the Atlantic for the formatting idea.

Having to keep going up and down to see the answers is it's horrible formatting. They should have borrowed from one of the other million online quizzes.


Yeah, I'm not doing THAT.

//white people problem
 
2013-10-20 12:37:15 PM  

ABQGOD: A zoomed-out picture of a large object may be the opposite of a zoomed-in picture of a small object, but "macro" photography also involves small objects.


Yeah, that threw me too. It got a lot easier once I figured out I wasn't supposed to try and distinguish between "sort of zoomed in" and "REALLY zoomed in".

/got tired of guessing after about #6 and went looking for the answers
//learn to use a damn quizlet thingy
 
2013-10-20 12:48:17 PM  
I'm pretty sure SEM's don't have color.

(At least the one I use doesn't...)
 
2013-10-20 01:28:07 PM  
The only two I was sure of were the first one, the lakes in the desert, and the rotten tooth.  The lakes in the desert looks obvious as to what it is.  The rotten tooth is obviously fake color but I had no idea what I was looking at until I saw the answer, but it still meant micro.

Yes, Felgraf, SEM's don't have color.  In fact, color is kind of a concept that can't really exist at some of the scales accessible to a scanning/tunneling electron microscope.
 
2013-10-20 01:45:37 PM  

Felgraf: I'm pretty sure SEM's don't have color.

(At least the one I use doesn't...)


What's color?

/JFWY
 
2013-10-20 01:50:09 PM  

Quantum Apostrophe: [ufopedia.edstraker.com image 269x487]
/obscure?
//OK I hate it when people post stuff and call it obscure but don't explain it... I guess that's part of the appeal but I like to learn
///UFO was a late '60s british sci-fi show and one episode had an Earth probe return pictures of the aliens' home planet but a malfunction made the scale of the pictures unknown
////wheee!!!


Make 'em work for it. GIS should be known by now.

https://www.google.com/search?tbs=sbi:AMhZZiuxkdcwPieE4aWQwcW6XOetKf 4D HgBAMpjnl0yz00FXL6oneU8zPL7OaGfCFVvXWAuIRXkWEPL1UEfyAoU7pGP4ubYeWUQIT1 Tvea_1_1DpRc4ZWgDGLGLYMhD_1AQr66SznQ_1RqcmsXTWpuaJyexLuSQGSK5KVcKhfE88 RsecdxV4WnkQ-LnGrjEbxh3ZmDljWp-ai3QW1kFFJ6mx_1FV-dNkFCdPZSeiJLGPH76aen miRJwcwcLeuqmyPbXhl5Lf0681TJ-cleghROcwxNUe-BX5r4IqAn93pYC1eQjvHGwF-mnn iYmPDwY0HP7t0YGvCVYaHJXQC7CbHzTzIQpvteJ7rvuWR5uDIPYxhg0Vssi-r3Fie87fu0 2myIaxUcWFtM6i3B5-n6mq40FDa-rNaIm7CXcZDIcmp4ihqjdB5PY0Jvc8j2MO9E7W-Try SQKOSAHBxAuI6rO5HGAbOU9hh_1APkkTIY-c20J6lFpB7Knkp5TveDzT8JZn7pGcKKKpVi Di57F3eiwiuITCxDRk1zQIihvwf8yz6S8rArQAYVsqhlb9a47YCEkbLQPFkCcpKM9_1J33 noX3K2cu7uM_1wGH92oaZX4OgivhE5RzYbJKfSXVT2kIZp8cd5VjA1cq8w_16k2T9XK-mM z5AfuZW3ZA4klxAkO51NdsiAYrZ6dOrqqNEIc2RiZZt4pUlfAtemiKBKynO3vcqF53mYYf yuprHitnYoQVxGnxoQt3FFAvZkpMKVaQoqch548pv4XM1tV6kc5RDvhSxp7OY0PLpNG8lo adDM5BBBc46HTif57B1M3fgakdLeUsXZ0nsJ5mtCP56V3upK0BUqWlrvTfXZHlsl64VVwt gVr8OHL9l1Z6EpDhsaxZ9zWPxUNqCEvt9ShcKwK_1oNZb-AeEnMjPwtCO4-MJiDeNeRrNY g-K0RDDQAJ4XTL0EQi_1_1-U-Yoh_1C050cA44OGUBK-NaLCcD8Lme9Z7UAjpchK5bFWrK KDiBJXXoIUkUSGOkLIj2R3IrpOuLCadCDCTTLrTUgeTu5gXsL30P1gU108oYEvQF2BWUz0 gMFW1xHGiV9gGYSxOUeBr67VC6gFeTRwYZGdjTksc-p26p5TooisbnZdLkkINvKaHzoKNB yojJDes6UKArNwuEzkL0MyS_1TvwS-J9FYcsX7umzPmerbTRXoK8fV3_1gH7Uy4ih0TY3C TWRyH-4PdTl_1S9JdhwItzgR9iQW7eSRdRYbW_1DZQJ-SMLM4HPvvxrp5YiGEB2CpXMJ6v pTQGOISfjp2K6BRC8hN207sZI3o7B67L8tjUk1XNa0T04CXqcCK--4prUR0aZQgehjoFWS iLGJ9Et0U3kVwPj7L6XJ7CKxPcA4uyIk_1CyFlZDofADGVdmM07viJ0&btnG=Search%20 by%20image

/OMFG that URL is ridiculous!
//and doesn't work
///I learned something today
 
2013-10-20 02:57:37 PM  
Isn't macro photography pictures that are taken with a macro lens, which is meant for taking photos extremely close to the subject?

Because some of those are pictures of things from very far away.
 
2013-10-20 03:05:13 PM  

Felgraf: I'm pretty sure SEM's don't have color.

(At least the one I use doesn't...)


:-) Depends what you're doing with it. It's true that the electron beam itself is "colorless", so to speak. However, your secondary excitation / auger / whatever electrons are not. If, for example, you're running an EDS scan, then a lot of software will color the image based on the elemental composition of whatever's present. You can have the software make gold yellow and copper reddish-brown for example. It's still false color, but you can make it pretty close; especially if you have a pretty good idea what you're looking at before you scan it and you can assign colors based on how it looks to your eye.

The image of the wing is most likely "artistically" colored, as I wouldn't expect it to change much point to point from an elemental standpoint. However image #2, the polished mineral face, could be real with different colors for silicon vs calcium vs whatever else might be present.
 
2013-10-20 03:13:30 PM  
Macro or Micro... A question many women have asked only to be given false data.
 
2013-10-20 03:15:28 PM  
You can usually tell by identifying the false colors used by the scanning microscope.

Satellite pictures also frequently use false color, so false color in a picture doesn't necessarily mean micro.
 
2013-10-20 03:38:25 PM  

balthan: H/T to Megan Garber at the Atlantic for the formatting idea.

Having to keep going up and down to see the answers is it's horrible formatting. They should have borrowed from one of the other million online quizzes.


umm... why not write your answers as you go (even go as far to number those answers, to avoid further confusing your cute little brainy-wainy), then see what you got right by checking the answers provided at the bottom?

Did all your textbooks at school have the answers on the same page as the questions?
Did you even go to school?
What level of severity ADD do you have?
Are you starting to feel dumber every day, or is it longer intervals?
Magnets: How do they work?
Have you stopped reading all these questions?
Do questions in general confuse you?
Were there too many choices of answer for you to effectively concentrate on deciding 15 of them in a row?


All answers found on the back page of the internets.
 
2013-10-20 03:49:03 PM  
www.bbc.co.uk

macra
 
2013-10-20 04:05:10 PM  

uttertosh: balthan: H/T to Megan Garber at the Atlantic for the formatting idea.

Having to keep going up and down to see the answers is it's horrible formatting. They should have borrowed from one of the other million online quizzes.

umm... why not write your answers as you go


Still more work than necessary.
 
2013-10-20 04:17:14 PM  
No junk shots?
 
2013-10-20 09:47:21 PM  
It's fractals all the way down.
 
2013-10-21 03:01:01 AM  
Got 13/15, just missed the first two.
 
2013-10-21 10:20:46 AM  

uttertosh: umm... why not write your answers as you go (even go as far to number those answers, to avoid further confusing your cute little brainy-wainy), then see what you got right by checking the answers provided at the bottom?


It's not so much about checking the answers or whether I got it right or wrong, I want the explanations next to the pictures so I don't have to keep referring back.
 
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