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General Discussion

15715 threads, 297818 comments (9 Viewing)

Hard Rock...Any Guesses?

07/19/2018 by artsmith
Picked up this story this morning, about a rock on mars that couldn't be drilled.
Views: 32, Comments: 1
Last comment 07/19/2018 by SolarEagle

Strut Tower Repaint

07/17/2018 by SolarEagle
Continuing the rust mitigation process on My 2008 Mustang GT...The strut tops were cleaned using an abrasive wheel, SS wire mini-brush and coated with...
Views: 178, Comments: 9
Last comment 07/19/2018 by SolarEagle
Views: 307, Comments: 48
Last comment 07/19/2018 by Rixter

Repainting Oxidised Aluminium

07/16/2018 by Tony Aston
I have a gas barbeque which has a stainless steel cover and this is supported by what appears to be aluminium sides. These sides were painted and over...
Views: 234, Comments: 13
Last comment 07/17/2018 by lyn
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Commercial Space

2006 threads, 3868 comments (0 Viewing)

HNC/D Engineering Online Courses

07/10/2018 by ThomasJames
Hello, I am currently working full-time and my current company is unable to give me any days off as the course that I would like to complete (HNC/D e...
Views: 60, Comments: 7
Last comment 07/10/2018 by BestInShow

Architectural Planing & Outsourcing Rendering Companies

07/05/2018 by yantramstudio
Yantram 3D Architectural Building creation design outsourcing Studio focused in Modeling, architectural design studio, architectural studio, 3d anim...
Views: 31, Comments: 0

What Courses Will Best For Freshers In 2018?

06/21/2018 by Suhasj123
IT sector has been being the largest private section employer for several decades and offers many opportunities and remains one of the all-time trendi...
Views: 55, Comments: 0
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CR4 Feedback

707 threads, 12269 comments (1 Viewing)

Now What?

07/18/2018 by Doorman
Now here is one I have not yet seen. NOTE TO ADMIN: Maybe leave the spam posts in place for few days, would ya?
Views: 45, Comments: 4
Last comment 07/18/2018 by Tornado

CR4 Bhugsspam

07/14/2018 by Kris
This place in infected. Sorryy guys and gals, it's worse than facebook. I truly am sorry, i it never happened under old admin. This never happened und...
Views: 106, Comments: 5
Last comment 07/18/2018 by SolarEagle

Server Problem?

07/11/2018 by Codemaster
Trying to get on to a thread "Illiteracy still prevalent" and get message below. Problem! You are attempting to do (or view) something that is not p...
Views: 71, Comments: 6
Last comment 07/11/2018 by Codemaster

Highly Animated Ads on CR4

07/09/2018 by Mikerho
Most of the time, advertisements on CR4 do not bother me. It is when they are looped videos or timed sequences of several photos in 0.5 to 1 second in...
Views: 88, Comments: 5
Last comment 07/10/2018 by Doorman
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Section Blogs

Techie Mommy

2 blog entries, 15 comments (3 Viewing)

Building Robots from Tin Cans

07/19/2018 by Reese
Did you know there’s a kit that gives kids the opportunity to build their very own robot starting with nothing but a simple tin can? With a pric...
Views: 7, Comments: 1
Last comment 07/19/2018 by SolarEagle

The Great Screen Time Debate

06/28/2018 by Reese
I am a Techie Mommy. I love all the gadgets and gizmos offered today, and look forward to what will be offered tomorrow. But not all parents feel th...
Views: 246, Comments: 14
Last comment 06/29/2018 by wrenchtwirler
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The Engineer's Notebook

485 blog entries, 7963 comments (1 Viewing)

Designer Sees the Beauty in Greyhound Bus

07/14/2018 by M-ReeD
When I think of a Greyhound bus, I am reminded of regular trips back and forth between the city where I went to college and home. Though maybe not the...
Views: 283, Comments: 0

Stanford Paper Tests Meme-generating AI

07/02/2018 by Hannes
Given the dearth of research devoted to AI and deep learning, the field was probably bound to produce some odd or questionably useful projects. For ex...
Views: 182, Comments: 1
Last comment 07/04/2018 by Rixter
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WoW Blog (Woman of the Week)

228 blog entries, 616 comments (0 Viewing)

Woman of the Week - Jeannette Wing

07/16/2018 by lmno24
Jeannette Wing is a computer science professional who has held many positions over the years. Currently, she is the Avanessians Director of the Data S...
Views: 130, Comments: 0

Woman of the Week – Hannah Glasse

07/10/2018 by lmno24
Hannah Glasse had a tough go at life. However, it may come as some solace that her cooking and kitchen tips have stood the test of time. She penned w...
Views: 247, Comments: 2
Last comment 07/11/2018 by tonyhemet
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Challenge Questions

366 blog entries, 28925 comments (0 Viewing)

Suspicious Signals: Newsletter Challenge (July 2018)

This month's IEEE GlobalSpec Newsletter Challenge: Scientists analyzing data from the Transiting Exoplanet Survey Satellite (TESS) are convinced they...
Views: 728, Comments: 22
Last comment 07/02/2018 by Rixter

Tortuous Tuning: Newsletter Challenge (June 2018)

While tuning your piano, the piano technician tells you that it’s physically impossible to “accurately tune a piano.” Is she correct...
Views: 1246, Comments: 31
Last comment 06/19/2018 by commandgce
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Abe's Blog

11 blog entries, 286 comments (0 Viewing)

Who Will Win the World Cup? Statisticians Take a Guess

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...
Views: 174, Comments: 15
Last comment 07/01/2018 by Andy Germany

Test Español Español óíáéú

03/07/2018 by amichelen
Español Español óíáéú
Views: 464, Comments: 6
Last comment 03/08/2018 by amichelen
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The CR4 Admin Blog

102 blog entries, 1513 comments (0 Viewing)

CR4 Gets an Update Thursday, May 17, 2018

CR4 will be unavailable this coming Thursday, May 17, 2018, starting at 9:00 am EDT so our software team can install some updates. The outage should l...
Views: 188, Comments: 14
Last comment 05/17/2018 by SolarEagle
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TechnoTourist’s Engineering Expeditions

87 blog entries, 568 comments (0 Viewing)

Solar Power in Greece: Stalled but not Out of Gas

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...
Views: 381, Comments: 0

Say It Isn't So! Greek Theater Acoustics Aren't Perfect

11/15/2017 by BestInShow
Have you ever heard that Greek theaters, at least some of them, had such perfect acoustics that the audience could hear a word whispered from the orch...
Views: 456, Comments: 33
Last comment 12/11/2017 by truth is not a compromise
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"On This Day" In Engineering History

244 blog entries, 847 comments (0 Viewing)

September 27, 1998 – The (Sort of) Birthday of Google, Inc.

09/27/2017 by MaggieMc
When I chose September 27 to investigate for engineering developments of historical import, I was surprised to find Google’s birthday on the lis...
Views: 397, Comments: 3
Last comment 10/03/2017 by Brave Sir Robin

September 4, 1926 – The Death of Julia Brainerd Hall

09/04/2017 by MaggieMc
On September 4, 1926, Julia Brainerd Hall, who assisted her brother Charles Martin Hall in producing the first samples of man-made aluminum in 1886, d...
Views: 403, Comments: 2
Last comment 09/07/2017 by James Stewart
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Other Blog Entries of Interest

Caption This for 02/09/2018

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...
Views: 659, Comments: 26
Last comment 02/14/2018 by MR. Guest

Flight Bow Shooting Machine

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...
Views: 716, Comments: 24
Last comment 01/28/2018 by Del the cat

Caption This for 3/31/2017

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...
Views: 724, Comments: 38
Last comment 04/07/2017 by Randall

Caption This for 3/24/2017

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!
Views: 861, Comments: 85
Last comment 04/06/2017 by szwasta

Caption This for 3/17/2017

03/17/2017 posted in Caption This!
by lmno24
This weeks image: Be sure to vote for your favorite caption! Thanks to user sptilton for the submission.
Views: 561, Comments: 20
Last comment 03/20/2017 by Mikerho