See all Forum Threads
Section Forums
15855 threads, 300244 comments
(6 Viewing)
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11/18/2018
by sciencetoolbar
Low consumption motor & DC generator.
Objective : to build an electric motor operated under low power (voltage and current) , powered by a sing...
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11/17/2018
by kadeberg
I need Information " where Buy Coupling NOUVO PIGNONE" COUPLING,FLEX:NUOVOPIG K601-2
TURBINE FLEXIBLE COUPLING PART NO. : RT054998
Thank you
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11/16/2018
by Rixter
It's been agreed to base all units on physical constants. The standard kilogram mass currently stored in Paris will no longer be needed.
"The new def...
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11/16/2018
by HiTekRedNek
The USPS gets a lot of bad press,but there were,and still are some amazing employees at the USPS.
In 1988 they had a machine called the LSM(Letter So...
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2020 threads, 3913 comments
(1 Viewing)
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11/17/2018
by CANDMFINANCE
Our financing solution offers flexible loans to facilitate purchasing of equipment for businesses.
Available to companies with annual turnover of up...
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10/29/2018
by Victor Raynor
Other than meeting the standards, what do you think the importance of tensile testing?
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10/20/2018
by yantramstudio
These are inventive and one of a kind current idea of a chapel plan. The structures in the convention of the hoisting of the spirit, without regular...
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713 threads, 12301 comments
(0 Viewing)
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11/01/2018
by dhayanandhan
Respected CR4 Admn./ CR4 members
I am not receieving CR4 from 24th October, 2018. I do not know whether other members receive or not. Earlier one of...
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10/28/2018
by JNB
After all these years on CR4, I finally have a question to ask!
I'm looking for industry usage on AODD pumps- more specifically, if CR4 users have pe...
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10/19/2018
by dkwarner
Why am I getting the "not permitted" message today, when I attempt to view the thread "Not for Deniers"? I had no problems with it early this morning....
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10/19/2018
by JWthetech
Missing thread Sssssshhh be wawy wawy quiet, we're hunting the denier thread
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See all Blog Entries
Section Blogs
9 blog entries, 125 comments
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11/15/2018
by Reese
Every day, my five-year-old comes home from kindergarten with math homework. Every. Single. Day.
My guess is that all the attention on STEM in rece...
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10/25/2018
by Hannes
Last weekend, my son received a model rocket kit for his sixth birthday. Having built and launched rockets when I was a kid, I was excited to take it...
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504 blog entries, 8163 comments
(1 Viewing)
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11/17/2018
by M-ReeD
In what can only be described as the online dating world breathing a collective sigh of relief that this man is no longer on the market, Akihiko Kondo...
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11/10/2018
by M-ReeD
Good news for those of you still scratching your heads over the continued success of Elizabeth Taylor’s White Diamonds or those of you with the...
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245 blog entries, 645 comments
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11/12/2018
by lmno24
Fabiola Gianotti is arguably one of the most important physicists in the world. She’s the first female director of the European Organization for...
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11/05/2018
by lmno24
Sarah Parcak is an American space archaeologist and Egyptologist who has used satellite images to identify potential sites for archaeological explorat...
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70 blog entries, 1884 comments
(0 Viewing)
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11/05/2018
Sorry for the long layoff CR4ers. Let's get back into the groove.
First up is this tool. Yeah, maybe you can cheat with a reverse image search, but w...
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247 blog entries, 864 comments
(1 Viewing)
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11/05/2018
by RSBenner
If you have ever taken a physics course, whether in high school or college, there is a very good chance that you heard about the collapse of the Tacom...
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09/30/2018
by RSBenner
The birth of the United States Submarine Force is considered to be April 11, 1900, the day the US Navy purchased the Holland VI Submersible (renamed t...
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370 blog entries, 29009 comments
(0 Viewing)
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10/31/2018
This month's IEEE GlobalSpec Newsletter Challenge is:
Pigeons hold the record for the best low-range hearing abilities and can sense far lower tones...
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09/30/2018
This month's IEEE GlobalSpec Newsletter Challenge:
An amateur astronomer is certain he has calculated the precise atmospheric re-entry time of a defu...
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70 blog entries, 651 comments
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10/22/2018
by RSBenner
“Watch Your Units!” Part 2 – The Space Program
“Watch your units!” There is that phrase again! I can hear it in my slee...
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10/12/2018
by RSBenner
“Watch your units!” If you polled engineering students, many of them would tell you that this is the phrase most often repeated by profess...
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45 blog entries, 424 comments
(0 Viewing)
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09/16/2018
by Hannes
During my time in music school I quickly learned to pick out music therapy majors: long, frizzy, unwashed hair and guitar cases slung over an individu...
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104 blog entries, 1536 comments
(0 Viewing)
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09/14/2018
Yesterday's software update included a change to the amount of time available for users to edit posts. We've increased this time allowance from 10 to...
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07/23/2018
As part of a larger project to eliminate broken links across all IEEE GlobalSpec sites, we've been working on links in CR4 posts and comments. We know...
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88 blog entries, 571 comments
(0 Viewing)
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08/03/2018
by BestInShow
Last week I headed south from Albany to attend my high school reunion. Both my starting point (Albany International Airport) and my destination (McGhe...
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12/19/2017
by BestInShow
As we passed through residential suburbs on the way from the airport to downtown Athens, I noticed that many of the rooftops sported solar hot water t...
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10 blog entries, 280 comments
(0 Viewing)
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06/18/2018
by amichelen
Last week at the start of the Russia 2018 FIFA World Cup, the national team defeated Saudi Arabia 5 to 0 in Moscow, setting in motion the next 30 days...
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02/27/2018
by amichelen
We all know - we are waiting in anticipation - that Amazon is going to build their second headquarters, called “HQ2”, starting in early 20...
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Other Blog Entries of Interest
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09/04/2018
posted in Workbench Creations
by Del the cat
I've been having fun with my little mini mill, but I noticed the 10mm end mill was getting a bit worn where I'd been using it to improve the quality o...
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02/09/2018
posted in Caption This!
by lmno24
Here's this week's image! I actually found this online the other day and it seemed fitting give that today is National Pizza Day.
As always, be sur...
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01/24/2018
posted in Workbench Creations
by Del the cat
I've been messing around with flight bows and their arrows for some time and it's virtually impossible to get consistent test results.
There are so m...
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03/31/2017
posted in Caption This!
by lmno24
This week's image:
Thanks to Nigh for the submission! Keep in mind we are always looking for submissions, send us photos anytime.
Be sure to vote...
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03/24/2017
posted in Caption This!
by MaggieMc
This weeks image:
Be sure to vote for your favorite caption!
Thanks to Nigh for the submission, we're always looking for more!
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