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General Discussion

8549 threads, 136672 comments (14 Viewing)
 

Pipe fittings-Manufacturing/Quality Assurance

11/07/2009 by akp_lmp
Dear All, Please tell me about nominal bore of pipe, is there any relationship between wall thickness,nominal bore and outer dia. How can we...
Pathfinder Tags: Manufacturing & Inspection of pipe and pipe fitti
Views: 7, Comments: 2
Last comment 11/07/2009 by Guest
 

CapsLock

11/07/2009 by josej
Hi 2 All, Why Some people get annoyed by Seeing words in Caps, Regards Jose
Views: 21, Comments: 5
Last comment 11/07/2009 by Guest
 

Do these videos work on the right people?

11/06/2009 by 2tinker
Hello, This was sent to all at work under the topic of 'Texing and Driving'. The typo caught my attention as it was from # 1. Do you thi...
Views: 21, Comments: 4
Last comment 11/07/2009 by TVP45
 

Space Station Simulation Games

11/06/2009 by Frank-Jazz
Dear colleagues Im llooking for pc games about space station simulation I have seen games where you see the countdown of the space shuttle, then you g...
Views: 18, Comments: 1
Last comment 11/06/2009 by Guest
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Commercial Space

858 threads, 1517 comments (1 Viewing)
 

Do you freelance?

11/05/2009 by britniispers
I know freelancing is popular these days. Many sites that cater to jobseekers and employers alike provide projects from building electronic devices to...
Views: 15, Comments: 0
 

invest in China? Expand market in China? let's help you

11/02/2009 by cedzsearch
hi, i come from Shanghai China and glad to join this forum. our website www.cedzsearch.com help those who want to invest, expand mar...
Pathfinder Tags: China expand invest market opportunity
Views: 31, Comments: 3
Last comment 11/07/2009 by Isti80
 

20KV distribution line material supplier from Tajikistan

11/02/2009 by edspl
i am working on a hydro design study in afghanistan, very near Tajikistan. The voltage system is 20KV, different from what i am used to. Can someone h...
Views: 6, Comments: 0
 

Mechanical Engineering Info

10/30/2009 by Jessica
I have been searching for Mechanical Engineering related Informations on the web like design & manufacture of industrial strainers, power generati...
Views: 16, Comments: 0
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CR4 Feedback

216 threads, 4074 comments (0 Viewing)
 

Why You Shouldn't List Your Email Address

11/04/2009 by babybear
Hi to all, The publishing of a personal email address, and other personal details, especially in open forum is one thing I try to warn...
Pathfinder Tags: Admin email post Postal Address theft ...
Views: 320, Comments: 70
Last comment 11/07/2009 by babybear
 

Alien Ban

10/19/2009 by josej
Hello Moderator As a personel opnion ,it is advisable to ban posts marked by guests , first of all they r coward ,instead of appreciating and lea...
Views: 74, Comments: 6
Last comment 11/05/2009 by langyaw
 

No Registration Confirmation E-mail

10/15/2009 by Guest
I have attempted to register twice and each time it was stated that a confirmation e-mail was sent to my e-mail address, which I needed to reply to be...
Views: 86, Comments: 6
Last comment 10/17/2009 by babybear
 

GA Lost?

10/11/2009 by Henrik14
When I started posting in thread 'Cleantech: Fact or Fiction?' I had 7 GAs, and now there is only 5! That happened after I mentioned this on this thre...
Pathfinder Tags: GA perservering GA voting
Views: 213, Comments: 101
Last comment 11/01/2009 by Henrik14
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Section Blogs

"On This Day" In Engineering History

212 blog entries, 709 comments (2 Viewing)

November 6, 1944 – Plutonium Production Begins

11/06/2009 by Moose
On this day in engineering history, the Hanford Atomic Facility first produced weapons-grade plutonium for the Manhattan Project, a top-secret eff...
Pathfinder Tags: B Reactor Hanford Los Alamos plutonium-239 transuranium ...
Views: 60, Comments: 2
Last comment 11/06/2009 by reefdiver

October 21, 1966 – The Aberfan Disaster

10/21/2009 by Moose
On this day in engineering history, a mass of mining debris claimed the lives of 144 people in Aberfan, a Welsh village near Merthyr Tydfil. After...
Pathfinder Tags: engineering disasters mining national coal board NCB slag ...
Views: 215, Comments: 6
Last comment 10/23/2009 by s.udhayamarthandan
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Caption This!

25 blog entries, 1001 comments (0 Viewing)

Caption This for 09/25/09

09/24/2009 This week's image: Be sure to vote for your favorite caption! Thanks to anich...
Pathfinder Tags: caption this!m engineering funny image
Views: 525, Comments: 36
Last comment 10/26/2009 by PWSlack

Caption This for 09/11/09

09/10/2009 This week's image: Be sure to vote for your favorite caption! Editor's Note: Thanks to Ro...
Pathfinder Tags: Caption this! engineering funny image
Views: 613, Comments: 45
Last comment 11/06/2009 by PWSlack
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The Y Files

146 blog entries, 1965 comments (0 Viewing)

The Epidemic That Wasn't (Part 2)

11/05/2009 by Moose
"The virus that caused the greatest world epidemic of influenza in modern history – the pandemic of 1918-1919 – may have returned." Tho...
Pathfinder Tags: epidemic H1N1 influenza pandemic spanish flu ...
Views: 264, Comments: 1
Last comment 11/05/2009 by Electroman

Dungeons & Dragons: Geeky Fun or Gateway to Hell? (Part 4)

10/21/2009 by Vi Pham
In the early 1980s, Dungeons & Dragons was accused of being the source of psychological instability and encouraging cultism and crime. The role-...
Pathfinder Tags: D&D controversies Dungeons & Dragons RPG
Views: 207, Comments: 4
Last comment 11/06/2009 by Yusef1
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Great Engineers & Scientists

85 blog entries, 222 comments (1 Viewing)

Raymond Loewy: Father of Industrial Design

11/05/2009 by ShakespeareTheEngineer
Today is the birthday of Raymond Loewy, father of the field of industrial design. Born in France on November 5, 1893, Loewy is known as "the man...
Pathfinder Tags: Studebaker Loewy Industrial Design Avanti Hupmobi
Views: 86, Comments: 0

Asaph Hall: Astronomer and Mathematician

10/15/2009 by ShakespeareTheEngineer
Today is the birthday of Asaph Hall, a post-Civil War astronomer who is best-known for his discoveries of Phobos and Deimos, the two tiny moons of...
Pathfinder Tags: asaph hall astronomy mathematics Mars moons phobo
Views: 161, Comments: 0
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Aerospace Blog

101 blog entries, 693 comments (0 Viewing)

Advances in Aviation Coatings

11/04/2009 by Ron
I just read an article in R&D (Research and Development) Magazine's newsletter, announcing new coatings which could make an enormous difference...
Pathfinder Tags: aviation coatings aviation products
Views: 93, Comments: 2
Last comment 11/05/2009 by Ron

Images: Preparing Ares I-X for Launch

10/28/2009 by Moose
This morning, NASA engineers celebrated the launch of the Ares I-X test rocket from Pad 39B at Kennedy Space Center in Cape Canaveral, Florida. Th...
Pathfinder Tags: ares flight vehicle ares i-x ares test rocket constellation NASA
Views: 230, Comments: 0
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WoW Blog

104 blog entries, 330 comments (1 Viewing)

Woman of the Week: Hertha Marks Ayrton (1854-1923)

11/03/2009 by Roger Pink
Hertha Marks Ayrton was a Mathematician, Physicist, and Electrical Engineer. Ayrton was the first female member of the Institution of Electrical E...
Views: 110, Comments: 2
Last comment 11/04/2009 by Andy Germany

2009 Nobel Laureates Include a Record Five Women This Year

10/21/2009 by Roger Pink
- This year a record five women were awarded Nobel Prizes. - - ------- - The Nobel Prize is one of the most prestigious awards one...
Views: 172, Comments: 2
Last comment 10/22/2009 by s.udhayamarthandan
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Jaxy of All Trades

52 blog entries, 1007 comments (1 Viewing)

To Get the H1N1 Vaccine or Not?

11/02/2009 by Jaxy
On October 24, 2009, President Obama declared the swine flu a national emergency as there have been outbreaks in 46 of 50 states. The Centers for...
Pathfinder Tags: H1N1 vaccine H1N1 vaccine dangers H1N1 vaccine risk H1N1 virus swine flu ...
Views: 466, Comments: 53
Last comment 11/05/2009 by Duckinthepond

Are You Protecting Your Eyes?

10/23/2009 by Jaxy
Bright outdoor light can cause your eyes to instinctively squint or tear, a natural defense against the sun's harmful ultraviolet (UV) rays. Sun p...
Pathfinder Tags: eye protection sunglass sunglasses uv eye protection uv protection
Views: 166, Comments: 3
Last comment 10/26/2009 by U V
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Challenge Questions

251 blog entries, 21148 comments (1 Viewing)

Apple Dealers: CR4 Newsletter Challenge (November 2009)

11/01/2009 This month's Challenge Question: The three apple farmers (Mike, Juliet, and Bob) finished their harvest and reported yields of 314,827 apples, 1,...
Views: 1491, Comments: 34
Last comment 11/06/2009 by Guest

Chain Links: CR4 Challenge (10/27/09)

10/25/2009 This week's Challenge Question: A customer goes into a jewelers shop and lays 8 chain segments on the counter. The segments are 30, 20, 17, 13, 9...
Views: 1075, Comments: 64
Last comment 10/29/2009 by Guest
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Defense & Security Technology

13 blog entries, 138 comments (0 Viewing)

Countermeasures for Surgically Implanted Bombs?

10/19/2009 Terrorists continue to test the efficacy of security checkpoints via novel methods to conceal IEDs. The latest worrisome threats include surgically im...
Views: 332, Comments: 2
Last comment 10/20/2009 by bwire

Who's Worried About Armed Autonomous Robots?

09/19/2009 Professor Noel Sharkey, AI and robotics expert, University of Sheffield is worried. For one, the U.S. military is going full-speed ahead in deploying...
Views: 404, Comments: 24
Last comment 09/28/2009 by lighthasmass
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The Engineer's Book Club

13 blog entries, 318 comments (0 Viewing)

Unscientific America: The Future In Our Bones

10/16/2009 by Moose
"The problem with the Internet is obvious to anyone who has ever used it," write Chris Mooney and Sheril Kirshenbaum in the final part of Unscientific...
Views: 445, Comments: 39
Last comment 10/20/2009 by Roger Pink

Unscientific America: Different Rifts, Still Divided

10/13/2009 by Moose
In 2007, two Hollywood screenwriters launched a grassroots, nonpartisan initiative called ScienceDebate2008 to encourage America's presidential candi...
Views: 651, Comments: 147
Last comment 10/21/2009 by TeslaFan
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Kate’s Controversies

65 blog entries, 1680 comments (0 Viewing)

E-Memories: Changing What it Means to be Human?

10/06/2009 by Sharkles
In a world where people use technologies like Twitter and Facebook to update their status instantaneously, it was only a matter of time before someo...
Pathfinder Tags: Engineering controversies humans recording technology
Views: 345, Comments: 14
Last comment 10/12/2009 by Transcendian

More Poisonous Plastics: Consumers Can’t Catch a Break

09/28/2009 by Sharkles
As consumers, we're bombarded with messages telling us to buy this, not that; to be active; and to do the right thing. Lately, many of the calls t...
Pathfinder Tags: Engineering controversies plastic plastic bottles SIGG
Views: 2491, Comments: 23
Last comment 10/15/2009 by Guest
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TechnoTourist’s Engineering Expeditions

43 blog entries, 198 comments (0 Viewing)

The Bronx Zoo

10/01/2009 by Jaxy
Home to more than four-thousand animals and comprised of six-hundred species, the Bronx Zoo, located in the Bronx borough of New York City, covers...
Pathfinder Tags: Bronx Zoo Bronx Zoo Facts Bronx Zoo New York Bronx Zoo NY
Views: 234, Comments: 8
Last comment 10/02/2009 by bakerjohn

The Submarine Force Museum: The USS X-1

09/11/2009 by Moose
What do teeth-whitening treatments and an old diesel submarine have in common? How about wound disinfection and extended underwater operations? Th...
Pathfinder Tags: diesel electric submarines diesel engines Diesel fuel submarines
Views: 623, Comments: 18
Last comment 10/06/2009 by nukesub629
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Rockaholic Adventures

23 blog entries, 304 comments (0 Viewing)

White Water Rafting on the Kennebec River

09/09/2009 by baumah
After a 45-minute bus ride to the beginning of Maine's Kennebec River, we got in line for a raft and a guide. The Kennbec, our tour guide told us...
Pathfinder Tags: kennebec river maine new england northeast Whitewater rafting
Views: 379, Comments: 6
Last comment 09/10/2009 by baumah
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Other Blog Entries of Interest

DIY Deck Staining

11/02/2009 posted in Workbench Creations
by joeymac
Recently, I stained a deck that I built during the previous year. Staining may sound simple (and it is), but there's a right way and wrong way to ge...
Pathfinder Tags: deck cleaner pressure treated wood pressure washer stain
Views: 142, Comments: 2
Last comment 11/04/2009 by joeymac

DIY Patio Installation (Part 2)

10/26/2009 posted in Workbench Creations
by joeymac
Now comes the hard part. Once the stones are delivered, you're going to have to start digging. If you have the room to rent a machine (or if you alr...
Pathfinder Tags: patio blocks patio stones crushed stone sand deck
Views: 120, Comments: 2
Last comment 10/27/2009 by joeymac

DIY Patio Installation (Part 1)

10/19/2009 posted in Workbench Creations
by joeymac
Recently, I finished installing a patio off the deck in my backyard. It was definitely a learning experience, but also an achievement. If you ever w...
Pathfinder Tags: crushed stone decks patio blocks patio stones patios ...
Views: 185, Comments: 4
Last comment 11/03/2009 by Guest

The Five Best Free iPhone Apps

10/07/2009 posted in TeknologikL
by baumah
You don't need to pay a lot to get a useful iPhone app. In fact, many of the best apps in the iTunes store are free. Here's a list of my favorite free...
Pathfinder Tags: best apps best free apps best iphone apps bump free iPhone apps ...
Views: 317, Comments: 3
Last comment 10/08/2009 by logan

Backup Solutions - Saving your Data One Byte at a Time

10/01/2009 posted in TeknologikL
by Kaplin
Hard drives fail. It's inevitable, but you can save yourself a huge amount of headache and heartache by being prepared for a worst cas...
Pathfinder Tags: Backup Blu-ray Data Backup Data Management DVD ...
Views: 460, Comments: 17
Last comment 10/06/2009 by glrusl