Metrology puns.

My coworker is sitting behind me calibrating gauge blocks.

Coworker: β€œI love gauge blocks!” πŸ˜€

Me: β€œWhy don’t you marry them?”

Coworker: β€œ haha, I totally would!”

Me: β€œ better put a wring on it!”

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πŸ‘€︎ u/Bettinbig
πŸ“…︎ Feb 01 2019
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While we see what's happening in Australia, Indian Metrological Dept. has come up with a report which says 2019 saw record number of extreme weather events & recorded heavy casualties all over India. Arabian Sea saw second most frequent and intense cyclones since 1902.
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πŸ‘€︎ u/Loweowe
πŸ“…︎ Jan 07 2020
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Hmm... something is off here. (Weather map by the Swedish Metrological and Hydrological Institute).
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πŸ‘€︎ u/tandem_liqour
πŸ“…︎ Aug 06 2017
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"New" Ampere: Finally ampere metrological embarrassment will end nist.gov/news-events/news…
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πŸ‘€︎ u/s54mtb
πŸ“…︎ Sep 09 2016
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A Metrological Trick to Stealing Land and Cheating Peasants theatlantic.com/science/a…
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πŸ‘€︎ u/DamnInteresting
πŸ“…︎ Oct 30 2018
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Early metrological forecasts are suggesting Southern Portugal could hit 50C (122F) next week. If so this would break the all time Portuguese record of 47.4C (117.3F) set in Amareleja on 1st August 2003. twitter.com/MetcastUK/sta…
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πŸ‘€︎ u/Fwoggie2
πŸ“…︎ Aug 01 2018
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Is Tamil Nadu heading towards drought? Tamil Nadu has a 70% rain deficit between 1 October and 28 November this year, as per the India Metrological Department livemint.com/Politics/HYh…
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πŸ‘€︎ u/bulahid
πŸ“…︎ Dec 02 2016
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Dec/23/2021: Pressure on Azerb. to open Nakhijevan railway first __ North-South __ 200K Pfizer shots __ 60% workers are vaxxed __ Pashinyan met Yerevan mayor __ Preschool quality __ Demographics program; Soldiers' fund __ Gas; Hrazdan bloc; Iran link __ Metrology standards __ Parakar mayor __ Nature

Good afternoon to everyone except Alec Baldwin. This is your 12-minute Thursday report in 3079 words.

##Pashinyan met the newly appointed Yerevan mayor Hrachya Sargsyan to discuss the reforms

Pashinyan: there was an institutional problem in the municipality, and it was resolved institutionally. What do I mean by that?

Yerevan has been implementing My Step bloc's pre-election program since 2018. In turn, that program was based on Yelk's 2017 program. [Pashinyan used to be a member of Yelk alliance and ran for Yerevan mayor against Taron Margaryan in 2017.]

The political responsibility lies with the My Step bloc and the Council majority. It is necessary to implement the program fully. Being the 1st deputy mayor, Mr. Sargsyan has been a full participant in the process to implement that program.

I attach importance to the process that took place, in terms of the establishment of state institutions. You are aware that settlements with a population of over 4,000 hold new elections, and it's the council that appoints a mayor. It is impossible to work without the council's majority support.

It is very important that today we have a harmonious situation between the mayor of Yerevan and the Council. The mayor must also cooperate with the opposition members of the Council. Here, too, the unifying role is very important.

So far we have provided all the support to the Yerevan municipality, and that support will continue. We will discuss the reform program's speed and direction. I wish you all best of luck. //

Mayor Hrachyan Sargsyan: I realize how big the responsibility is. I'm aware of the institutions we have today and what needs to be reformed to withstand shocks and carry out the functionality.

With the help of the government, we can implement programs that for some reason have been ignored for years. We have the potential. We just need effective management. //

https://armenpress.am/arm/news/1071505.html

##the government approves another €20M loan to improve Yerevans bus network

It likely needs to be ratified by the Parliament. EBRD said it was extending a €20M sovereign loan to Armenia for the benefit of the Yerevan Bus Company.

The new low-floor buses will accommodate passengers with limited movement, including the elderly and disabled.

https://arka.am/en/news/society/armenian_government_gives_permission_for_ratification_of_ebrd_loan_to_improve_public_transport_in_ye/

##the government approves new

... keep reading on reddit ➑

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πŸ‘€︎ u/ar_david_hh
πŸ“…︎ Dec 23 2021
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[journal] Quantum sensing close to a dissipative phase transition: Symmetry breaking and criticality as metrological resources journals.aps.org/pra/abst…
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πŸ‘€︎ u/iciq
πŸ“…︎ Jul 10 2017
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Born today : December 19th - Albert A. Michelson, Physicist, Nobel Laureate, "for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid", "first American to receive the Nobel Prize in sciences", "known for the Michelson–Morley experiment" en.wikipedia.org/wiki/Alb…
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πŸ‘€︎ u/spike77wbs
πŸ“…︎ Dec 19 2016
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Cheap surface Metrology Options for small flats/prisms. Does anyone have recommendations budget interferometers or deflectometers?

Does anyone have any suggestions for cheap interferometers or deflectometers for small flat surfaces?

I'm trying to give a recommendation for someone who wants to measure flats and prisms <10mm and fairly loose Irregularity/flattness requirements for its size.

What are your dirt cheap recommendations for interferometers? Any vendors known for budget interferometers, get something off ebay?

Also are there any commercially available deflectometers suited for precision optics measurements? I assume there might be some cheap options there. The QED deflectometer for mrf spot measurement comes to mind.

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πŸ‘€︎ u/TastyLingonberry
πŸ“…︎ Jan 04 2022
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Need to find an irregularity in a 3D scanned object (metrological problem)

Good day, I have a bit of a problem and after having spent hours without coming up with a good solution, came here to ask for some advice.

Essentially, I have a 3d scan of an underground tunnel. Now, over time, this tunnel has started to "crush-in" a slight bit from the forces above. My task is to identify any potential points where the tunnel has been crushed in too much. I don't recall the exact numbers, but I think the tunnel is like 20m long and I'm looking for any places where it has become irregular by as little as 0.06m.

Analogically, imagine that you have a pipe and you hit the pipe with a baseball bat. Obviously, the bat probably left a slight curve inside the pipe. If it was only a slight curve, it wouldn't pose any problems for the pipe's functionality, but if it were to reduce the ratius by too much - there might be a flowing problem. That's the sort of problem im dealing with.

The tool that I'm using, as you see, is Geomagic. It's been designed specifically for metrological 3d object analysis so I'm sure it has to have some sort of way to solve the problem.

Here are some things that I've tried or just don't know how to use:

  1. I first tried to run a Contour Detection to find any inwards angles in the tunnel. After fidling around with it, I got this result. Am I correct to think that the connecting points are basically the critical points where there is a big inwards curve? If so, that would make it all quite a bit easier. There were only 4 such big points, but I'm not entirely sure on how to effective check how bad the curve is. Maybe somehow compare to to another section a meter or so to a side?

  2. I tried to colorcode the elevation of the entire mesh. This way I could check for points where the tunnel's elevation is too low compared to points next to it on the same x axis. Problem is, I can't find this tool. Only thing close is a Deviation tool, but I can't get it to work very well. Maybe I can use that somehow?

  3. The original suggestion I was given by the person who gave me the scan is to cut the entire thing into many sections, each super thin and then check irregularities on each section. I'm not sure how to go about doing that though and without automation, it would make an eternity.

Additionally, I imagine that this problem could be solved using diferentiation, but I've not yet had a chance to put those into practice.

Any suggestions? I don't have too much time and the pr

... keep reading on reddit ➑

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πŸ‘€︎ u/Felkin
πŸ“…︎ Jun 29 2016
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I am assigned a presentation on the use of Metrology in any industry, but there's a lot of them, which industry should I start researching in your opinion? :)

My task is to choose an industry in which Metrology plays a crucial role. The physical quantities that are measured, tools used, etc...

My only problem is finding an industry with enough resources to research about. So I thought I'd ask here if anyone has any recommendations.

Thanks in advance.

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πŸ‘€︎ u/Roverdose115
πŸ“…︎ Nov 28 2021
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Semiconductor Defect Metrology and Inspection Processes

I was hired for at a large semiconductor company to work on yield defect reduction, but I have little to no knowledge about it other than the topics my company told me to research online during the interview. I'm a recent college graduate, so I have no idea how to do my job. And I was never taught how to do the job I was just hired for in school.

What do I need to know before starting my job? How do I even do my job? Where should I reference, hopefully as an online free resource, to learn how to do my job?

The company that hired me is one of the largest semiconductor companies in the world, and the company knows that I'm a new college graduate who knows little to nothing about defect metrology, so I'm thinking they will train me extensively because they know what they were doing when they decided to hire me. But I'm not too sure what will happen. I'm being paid like an engineer so it's not an internship. So I really would like some help.

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πŸ‘€︎ u/UtopiaNation
πŸ“…︎ Dec 13 2021
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Born today : December 19th - Albert A. Michelson, Physicist, Nobel Laureate, "for his optical precision instruments and the spectroscopic and metrological investigations carried out with their aid", "first American to receive the Nobel Prize in sciences", "known for the Michelson–Morley experiment" en.wikipedia.org/wiki/Alb…
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πŸ‘€︎ u/spike77wbs
πŸ“…︎ Dec 19 2014
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Adam Savage discovers Metrology youtube.com/watch?v=qE7dY…
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πŸ‘€︎ u/altzone
πŸ“…︎ Jan 10 2022
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A storm in the desert for World Metrological day!
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πŸ‘€︎ u/bmb74
πŸ“…︎ Mar 23 2018
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