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03/08/2015 12:00 AM

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General Discussion

13667 threads, 244179 comments (15 Viewing)
 

8K years of temp records

05/22/2015 by Fredski
reading a report out today from a physicist and climate scientist and former lead author for the UN. Pretty interesting. he went back through ice core...
Views: 15, Comments: 5
Last comment 05/22/2015 by Anonymous Hero
 

couldn't stop laughing.

05/22/2015 by Fredski
when I was much younger I got quite a kick out of a slogan designed to make joining the army more appealing."Be all you can be". It would seem the POT...
Views: 79, Comments: 22
Last comment 05/22/2015 by lyn
 

Train driver an engineer?

05/22/2015 by NotUrOrdinaryJoe
I have my doubts that these irresponsible train drivers that cause derailments at high speed are really engineers. I doubt that the guys picked out to...
Pathfinder Tags: engineer Train Driver
Views: 78, Comments: 17
Last comment 05/22/2015 by lyn
 

They're Spying on You...Even More

05/21/2015 by Fredski
http://www.usatoday.com/story/tech/2015/05/20/military-space-plane-launch/27645011/
Views: 202, Comments: 14
Last comment 05/22/2015 by James Stewart
 

Now That's a Thin TV

05/20/2015 by SolarEagle
LG shows off it's <1mm thick OLED screen.... "The future is here. Tech and sci-fi lovers have been fantasizing for decades about screens so thin...
Views: 216, Comments: 6
Last comment 05/22/2015 by SolarEagle
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Commercial Space

1850 threads, 3482 comments (0 Viewing)
 

Maintenance Supervisor

05/22/2015 by JavaHead
So apologies if the Commercial Forum is solely for selling products and services, but I'm reaching out to every resource I can think of in order to ma...
Views: 4, Comments: 0
 

EDB to PST Converter Tool

05/11/2015 by remajinori
EDB to PST converter is most popular and effective software and it can easily convert exchange server edb files to outlook pst format. The software in...
Pathfinder Tags: edb to pst
Views: 62, Comments: 4
Last comment 05/21/2015 by arthurcsmith
 

A use KHS Carton Wrapping Machine Getting Discardded

04/30/2015 by shivaganti
A used KHS carton wrapping amchine getting discarded. speed 3000 cartins per hour. Used in beverage industry.
Views: 94, Comments: 0
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CR4 Feedback

623 threads, 10981 comments (0 Viewing)
 

Can the CR4 Software Automatically Add a "Reported" Flag to Reported Posts.

04/22/2015 by Randall
We seem to be getting an awful lot of SPAM. Some members (especially "Tornado") are very diligent about reporting the posts. The problem is that after...
Pathfinder Tags: reporting SPAM posts
Views: 158, Comments: 20
Last comment 04/24/2015 by Tornado
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Section Blogs

The Engineer's Notebook

335 blog entries, 5401 comments (0 Viewing)

The Cult of the Lawn: Background and Issues

05/22/2015 by BestInShow
Disclaimer: This post is U.S.-centric. If you're a non-US reader, please tell us about lawns in your area. Do you wonder, as you push your lawnmowe...
Pathfinder Tags: lawn care lawn history turfgrass
Views: 28, Comments: 3
Last comment 05/22/2015 by lyn

Lawn Care for the 21st Century

05/15/2015 by BestInShow
An old advertisement for the now-defunct Oldsmobile division of General Motors had the tag line "not your father's Oldsmobile." Do you tend your law...
Pathfinder Tags: corn gluten lawn care turfgrass weeds
Views: 201, Comments: 7
Last comment 05/18/2015 by phoenix911

Ambiversion is the New Normal

04/21/2015 by Jonathan Fuller
Have a go at these questions using only "Sometimes," "Always," or "Never" as answers: Do you gain increased energy and fulfillment in social situat...
Pathfinder Tags: ambivert mbti personality test
Views: 172, Comments: 4
Last comment 04/23/2015 by Rixter
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Editor's Desk

12 blog entries, 65 comments (0 Viewing)

A Cultural Icon Turns 35

05/19/2015 by wagman262
Our infographic for the week of 18 May looks at the impact of Pac-Man on video games 35 years after its release in Japan. From an engineering design p...
Views: 65, Comments: 0

Hardening the Energy Coast

04/30/2015 by wagman262
As part of our ongoing look at risk mitigation and engineering, Engineering360 published this terrific article that examines infrastructure hardening...
Views: 109, Comments: 2
Last comment 04/30/2015 by SavvyExacta

Moore's Law at 50

04/16/2015 by wagman262
Bill Schweber, one of our contributing editors, has a terrific piece on the 50th anniversary of Moore's Law. Have a look at it here and let me know wh...
Views: 233, Comments: 10
Last comment 04/23/2015 by Wal
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Notes & Lines

20 blog entries, 133 comments (0 Viewing)

RIP Grooveshark

05/11/2015 by Jonathan Fuller
Many people of a certain age (mine, specifically) will likely tell tales about the brief Golden Age of Napster to their children and grandchildren....
Pathfinder Tags: dcma digital copyright grooveshark P2P
Views: 156, Comments: 2
Last comment 05/13/2015 by tcmtech

Vinyl: No Longer Just for Audiophiles?

03/12/2015 by Jonathan Fuller
Music biz writers scrambled to their blogs in January 2015, when Nielsen SoundScan announced that 2014 vinyl sales had come in at 9.2 million units...
Pathfinder Tags: analog recording audio vinyl records
Views: 229, Comments: 14
Last comment 05/13/2015 by Original_Macgyver

Acoustic Guitar Tonewoods

07/26/2014 by cheme_wordsmithy
I remember the day I received my acoustic guitar, and played it for the first time. In the moment, it seemed produced the most beautiful sound I had e...
Views: 564, Comments: 15
Last comment 01/09/2015 by Hardknock
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Defense & Security Technology

83 blog entries, 1347 comments (0 Viewing)

Russian Supercarrier Plans Questioned

05/09/2015 by IHS GlobalSpec eNewsletter
The commander of the Russian navy announced last month that the country will build a super-sized aircraft carrier larger than U.S. versions. This n...
Views: 537, Comments: 77
Last comment 05/15/2015 by Original_Macgyver

Warthogs Redeploy to Europe

04/24/2015 by IHS GlobalSpec eNewsletter
The end of last month was scheduled to see redeployment of 12 U.S. Air Force A-10 Thunderbolt II (unofficially "Warthog" to its crews) attack air...
Views: 388, Comments: 51
Last comment 04/28/2015 by CaptMoosie

F-35 Goes "Top Gun"

03/06/2015 by Chelsey H
The F-35C naval variant of the Lightning II Joint Strike Fighter completed its first carrier trials at the end of 2014. For two weeks in November, p...
Views: 393, Comments: 9
Last comment 04/27/2015 by reward54
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Challenge Questions

327 blog entries, 27578 comments (0 Viewing)

Styrofoam Slide (May 2015)

05/01/2015 This month's Challenge Question: Specs & Techs from IHS Engineering360: Try this experiment: slide a Styrofoam cup full of water across a smooth...
Pathfinder Tags: challenge question
Views: 1430, Comments: 37
Last comment 05/08/2015 by WilhelmHKoen

100 Meter Dash: Newsletter Challenge (April 2015)

04/01/2015 This month's Challenge Question: Specs & Techs from IHS Engineering360: Now that good weather is around the corner, a challenge question related...
Pathfinder Tags: challenge question
Views: 1750, Comments: 38
Last comment 04/28/2015 by phph001

3464-Cube: Newsletter Challenge (March 2015)

02/28/2015 This month's Challenge Question: Specs & Techs from IHS Engineering360: A 2-cube (square) has 4 vertices and 4 edges. A 3-cube (cube) has 8 vert...
Pathfinder Tags: challenge question characteristic cube Euler
Views: 1465, Comments: 21
Last comment 03/17/2015 by Halsey
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Animal Science

213 blog entries, 1933 comments (0 Viewing)

Brontosaurus vs Apatosaurus

04/24/2015 by Chelsey H
When I was little one of my favorite movies was "We're Back: A Dinosaur Story". It's a ridiculous cartoon about dinosaurs showing up in a big city....
Views: 191, Comments: 1
Last comment 04/24/2015 by SavvyExacta

A Fishy Mystery

03/24/2015 by Chelsey H
So admittedly I have never thought of this before, but do fish get out of breath? Fish rely on their gills to remove oxygen from the water. Gills ar...
Views: 334, Comments: 9
Last comment 03/26/2015 by truth is not a compromise

The Science of Your Bird Feeder

01/16/2015 by SavvyExacta
Winter is a quiet time outdoors in the Northeastern USA, but a bird feeder brings chirping visitors back in the colder months. Feeding the birds is...
Views: 320, Comments: 6
Last comment 01/19/2015 by adreasler
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OH CR4P!

62 blog entries, 522 comments (0 Viewing)

Big Bets Lost on Vegas Hotel

04/23/2015 by HUSH
If you're in Las Vegas, you're probably going to gamble. The city is well known for its attractions, from the resorts to the shopping to the shows t...
Pathfinder Tags: architecture las vegas structural engineering
Views: 241, Comments: 2
Last comment 04/25/2015 by Rixter

Safety Concerns of Oil by Rail

10/30/2014 by cheme_wordsmithy
Historically, most oil in the U.S. has been transported via pipeline. In 2008, the U.S. saw the rise of a new alternative for crude oil shipment - rai...
Views: 446, Comments: 19
Last comment 02/23/2015 by machia0705
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The CR4 Admin Blog

76 blog entries, 1304 comments (0 Viewing)

What Do You Want to Read About?

05/21/2015 IHS will soon be featuring sponsored blog posts from suppliers on CR4. Don't worry! CR4 won't be overrun with sponsored content. There will be a max...
Views: 69, Comments: 10
Last comment 05/22/2015 by Yahlasit

The Homework Question Debate

04/22/2015 We've all seen them... posts that are obviously homework questions copied directly from students' textbooks. It's understandable that nobody should ge...
Views: 461, Comments: 46
Last comment 05/01/2015 by James Stewart

100,000th Thread Posted to CR4

04/02/2015 CR4 has reached another milestone! About one year ago the millionth comment was posted to CR4. Just last month the 100,000^th thread was posted. Th...
Views: 219, Comments: 14
Last comment 04/07/2015 by JIMRAT
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What Is It?

61 blog entries, 1636 comments (0 Viewing)

What is It? for March 12, 2015

03/12/2015 What is this? This image was submitted by JIMRAT. Please feel free to submit your own images for future use on this blog.
Pathfinder Tags: what is it
Views: 396, Comments: 4
Last comment 03/20/2015 by James Stewart
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The Standard

4 blog entries, 13 comments (0 Viewing)

New ISO Energy Management Standard Released

11/18/2014 by KevinCassidy
The International Organization for Standardization (ISO) has released the new ISO 50003:2014 Energy management systems - Requirements for bodies provi...
Pathfinder Tags: ANSI audit certification Energy energy standards ...
Views: 169, Comments: 0

Follow up: Women's Lacrosse Headgear Standard Set for Second Ballot

11/13/2014 by KevinCassidy
I wrote about the debate between the Florida High School Athletic Association and US Lacrosse over the use of helmets during high school girls lacross...
Pathfinder Tags: ANSI ASTM eye protection face florida ...
Views: 130, Comments: 1
Last comment 01/28/2015 by sporteyes

Don't Forget to "Look Before You Pump"

11/05/2014 by KevinCassidy
The Outdoor Power Equipment Institute (OPEI) has been active in educating consumers about the variety of fuels available at the pump, and how to ident...
Pathfinder Tags: ANSI automotive E10 E15 equipment ...
Views: 225, Comments: 8
Last comment 11/08/2014 by tcmtech
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Physics In Film

9 blog entries, 85 comments (0 Viewing)

Medieval Physics - Siege Engines

09/03/2014 by cheme_wordsmithy
I don't think a blog series titled Medieval Physics would be complete without a discussion of siege engines. Siege engines were the machines that made...
Views: 654, Comments: 10
Last comment 09/09/2014 by SavvyExacta

Medieval Physics - Jousting

08/26/2014 by cheme_wordsmithy
In a previous blog entry I gave a short summary of the physics and history of the bow and arrow (thanks to all you CR4 users who shared your insight a...
Views: 465, Comments: 8
Last comment 08/29/2014 by phoenix911

Medieval Physics - Bows & Arrows

08/12/2014 by cheme_wordsmithy
Of the many interesting events that take place in the summer, one of my favorites are Renaissance fairs. Seeing the participants in character and cost...
Views: 616, Comments: 15
Last comment 08/13/2014 by suresh sharma
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TechnoTourist’s Engineering Expeditions

80 blog entries, 461 comments (0 Viewing)

Vacation Destinations for Engineers

07/17/2014 by SavvyExacta
What are your summer vacation plans? TechnoTourist has compiled a list of some destinations of engineering interest that have been featured on the b...
Views: 670, Comments: 11
Last comment 07/22/2014 by SavvyExacta
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Other Blog Entries of Interest

Caption this for 05/22/15

05/21/2015 posted in Caption This!
by LakeGrl
This weeks image: Be sure to vote for your favorite caption! Thanks to Nigh for submitting this image.
Views: 289, Comments: 38
Last comment 05/22/2015 by StandardsGuy

The Mathematics of Wrinkles on Curved Surfaces

05/20/2015 posted in Roger's Equations
by Roger Pink
An Unexpected Simplicity Sometimes problems exist for years simply because they are thought to be too complicated to solve. Then a group of researche...
Views: 198, Comments: 5
Last comment 05/21/2015 by James Stewart

The Annoyingly Accurate Standard Model

05/19/2015 posted in Roger's Equations
by Roger Pink
A Little Too Perfect Several years ago, when the LHC was just (finally) starting up, there was a lot of excitement in the particle physics community...
Views: 141, Comments: 2
Last comment 05/21/2015 by jdretired

Caption This for 05/15/15

05/14/2015 posted in Caption This!
by LakeGrl
This weeks image: Be sure to vote for your favorite caption! Thanks to Loupy for submitting this and to imgur for the image.
Pathfinder Tags: Caption this engineering images funny images
Views: 592, Comments: 53
Last comment 05/19/2015 by Original_Macgyver

How Aeons turned into Zeons

05/12/2015 posted in Relativity and Cosmology
by Jorrie
Quite a lot has been written on this CR4 Blog about the standard Lambda-Cold-Dark Matter (LCDM) cosmological model and its equations. Arguably the...
Pathfinder Tags: cosmological constant cosmology expansion
Views: 128, Comments: 0

The Science of Social Networks

05/12/2015 posted in Roger's Equations
by Roger Pink
Bring Back The Mindy Project! My wife is a big fan of Mindy Kaling. So when Fox recently cancelled The Mindy Project, she wasn't happy. It turns out...
Views: 135, Comments: 0

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