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What Is It?

What Is It? is a place for engineers to test their knowledge (and sense of humor). Each week the CR4 team will post an unidentified picture. We're looking for your best (or funniest) guesses at what it might be (or could be) in the comments below.
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37 comments

What Is It? 1/1/12

Posted January 01, 2012 12:00 AM
Pathfinder Tags: What is it?

This week's image:

Click here for the answer!

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#1

Re: What Is It? 1/1/12

01/01/2012 12:04 AM

A Telemecanique pilot light, viewed straight on.

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#2

Re: What Is It? 1/1/12

01/01/2012 12:16 AM

A monochrome negative of the WW2 Japanese flag?

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#3

Re: What Is It? 1/1/12

01/01/2012 12:47 AM

It's the light,,,,the light,,,,at the end of the tunnel.....omg am I ?

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#20
In reply to #3

Re: What Is It? 1/1/12

01/02/2012 5:20 AM

No, its the head light of the on-coming train!

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#4

Re: What Is It? 1/1/12

01/01/2012 3:30 AM

It was the last thing I saw before getting run over at 2 AM on my way out of a new years eave antique car collectors party.

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#5

Re: What Is It? 1/1/12

01/01/2012 3:38 AM

Isakower phenomenon.

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#6

Re: What Is It? 1/1/12

01/01/2012 8:57 AM

Lithium button cell.

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#7

Re: What Is It? 1/1/12

01/01/2012 9:20 AM

It's the inside of a paint can lid removed from a can of white paint.

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#8
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Re: What Is It? 1/1/12

01/01/2012 11:22 AM

Yeah, that's where my money is on.

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#9
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Re: What Is It? 1/1/12

01/01/2012 12:38 PM

Mine usually end up, "paint-side-down".

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#10

Re: What Is It? 1/1/12

01/01/2012 3:19 PM

A headlight of night shift engineer

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#11

Re: What Is It? 1/1/12

01/01/2012 6:02 PM

I pressed it and a man with a tray appeared and asked what I'd like to drink.
Ish skeep preshing it and my jeyboas id wobning arounf now (hic)
Del

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#12

Re: What Is It? 1/1/12

01/01/2012 7:40 PM

Chimney flashing

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#13

Re: What Is It? 1/1/12

01/01/2012 9:58 PM

It's an X-Ray diffraction pattern result of Unobtanium.

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#14

Re: What Is It? 1/1/12

01/01/2012 10:48 PM

It is the negative side of a Lithium battery.

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#15

Re: What Is It? 1/1/12

01/01/2012 11:15 PM

My last beer going down someone else's throat...

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#16

Re: What Is It? 1/1/12

01/01/2012 11:50 PM

It looks like negative of a full luner eclipse.

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#18
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Re: What Is It? 1/1/12

01/02/2012 1:31 AM

It has to be circular if that is the case.

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#17

Re: What Is It? 1/1/12

01/02/2012 1:29 AM

Glass of milk viewed from top, that is kept on black table.Glass is made of oval shape to confuse us.

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#19

Re: What Is It? 1/1/12

01/02/2012 3:06 AM
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#21

Re: What Is It? 1/1/12

01/02/2012 9:02 AM

Boundary of surface tension between two liquids.

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#22

Re: What Is It? 1/1/12

01/02/2012 9:43 AM

It is the moon viewed inside a special form of a earth cloud ( a very special cloud -not remembering now !)

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#23

Re: What Is It? 1/1/12

01/02/2012 11:50 AM

A fry/ cooking pan.

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#24

Re: What Is It? 1/1/12

01/02/2012 12:29 PM

High wattage light bulb in circular enclosure.

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#25

Re: What Is It? 1/1/12

01/03/2012 4:12 AM

"Nurse! Quick! The screens!"

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#26

Re: What Is It? 1/1/12

01/03/2012 5:22 AM

An award winning piece of modern art.

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#27

Re: What Is It? 1/1/12

01/03/2012 6:21 AM

A backlit contraceptive diaphragm.

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#28

Re: What Is It? 1/1/12

01/03/2012 9:59 AM

The view from the bottom of a well.

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Re: What Is It? 1/1/12

01/03/2012 10:27 AM
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#30

Re: What Is It? 1/1/12

01/03/2012 1:09 PM

The exit end of a Black Hole into the Milky Way.

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#31

Re: What Is It? 1/1/12

01/03/2012 1:15 PM

Did you notice another circle near the edges of the picture.

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#32
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Re: What Is It? 1/1/12

01/03/2012 2:19 PM

That suggests this is an image through a microscope...

Obviously, not my last beer...

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#33

Re: What Is It? 1/1/12

01/03/2012 2:35 PM

It's the opening of the 2025 James Bond movie title sequence or gun barrel opening "James Bond is dead, again".

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#34

Re: What Is It? 1/1/12

01/03/2012 5:13 PM

Pantheon dome

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#37
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Re: What Is It? 1/1/12

01/04/2012 7:58 AM

Nice job!

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#35

Re: What Is It? 1/1/12

01/04/2012 6:14 AM

It is capacitor

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#36

Re: What Is It? 1/1/12

01/04/2012 7:27 AM

This one stumped a lot of people! ozzb got it right - it's the oculus of the Pantheon in Rome, Italy.

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