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General Discussion

13398 threads, 237030 comments (20 Viewing)

What is the True Value of Gravity

12/19/2014 by Noudge79
I am confused, is 9.81m/s the true value of gravity(on Earth)? What if the earth does not have angular velocity(stops its rotation at its access), wha...
Pathfinder Tags: True Value of gravity
Views: 12, Comments: 2
Last comment 12/19/2014 by lyn

Alcohol as windshield washer fluid anti-freeze

12/19/2014 by BruceFlorida
Most of the washer fluid available down here is only good to +32F. I have found Rain-X that is rated to well below freezing but I have a love/hate rel...
Views: 19, Comments: 5
Last comment 12/19/2014 by lyn

Frequency of Matter

12/17/2014 by Kulas
I was amazed on the characteristic of moving material like for example the propeller above with below questions in mind * Why is it that when you...
Pathfinder Tags: Material Frequency
Views: 260, Comments: 23
Last comment 12/19/2014 by James Stewart

Engineering Helpful Hints for Santa

12/16/2014 by Don from Oz
Switching to a nuc powered sleigh, using quad copters for the down-the-chimney delivery service, strapping on some improved satellite navigation and r...
Views: 205, Comments: 23
Last comment 12/18/2014 by Don from Oz

Ikea Solar Powered Shelter

12/15/2014 by Tom_Consulting
Some interesting engineering here for a good cause.
Views: 175, Comments: 8
Last comment 12/16/2014 by PFR
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Commercial Space

1830 threads, 3350 comments (0 Viewing)

Career Opportunities

12/12/2014 by Massey
Are you in search of a job with potential to grow into a rewarding career? Employment Services, Inc. is now hiring candidates for Mechanical Enginee...
Views: 16, Comments: 2
Last comment 12/12/2014 by Massey

BAE Systems is Looking for a Civil Engineer in Portsmouth, UK

12/11/2014 by btbsilent
BAE Systems Maritime Services delivers end to end maritime services and support to over 50 per cent of the Royal Navy's Surface Fleet. Our services...
Pathfinder Tags: engineering jobs
Views: 7, Comments: 1
Last comment 12/11/2014 by Anonymous Poster

New Class of Electric Transformer

12/05/2014 by 27thcentury
I recently published a book on my new invention called non solenoid electric transfomer ISBN 13 978 1503347680. It does not function by induction coil...
Pathfinder Tags: electric transformer induction coil solenoid
Views: 36, Comments: 4
Last comment 12/11/2014 by NotUrOrdinaryJoe

New Building Thermography 360 Page ebook

12/01/2014 by Davide Lanzoni
Link to abstract, download preview:
Views: 38, Comments: 0

EPC Contract.

11/25/2014 by Anonymous Poster
Hi, Condition of contract for electrical and mechanical works including erection at site (1987) was in place earlier, and revised in 1999 suite - but...
Views: 48, Comments: 0
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CR4 Feedback

610 threads, 10673 comments (0 Viewing)

Why Can't I Post Pictures?

12/16/2014 by JIMRAT
Last week I could post pictures but lately I can't. I suspect they are there but I just can't see them. Just today I was unable to see a circuit diag...
Pathfinder Tags: Can't post or see pictures in posts
Views: 186, Comments: 19
Last comment 12/18/2014 by jhowdy

Your Server Problem

12/10/2014 by suresh sharma
Sorry your server is not working properly on 12/10/2014. I could not get connected to detailed discussions.
Views: 83, Comments: 0

Annoying Header

11/19/2014 by lyn
This half page header now comes up at the top of every home window that opens. Community * All * News & Analysis * Products & Supplie...
Views: 172, Comments: 6
Last comment 11/20/2014 by lyn

Environmental Engineering

11/19/2014 by BRIANTLLOYD
Which of the CR4 headings would best cover environmental engineering e.g. air filtration ? Could we have a seperate category /
Pathfinder Tags: filtration
Views: 129, Comments: 6
Last comment 11/20/2014 by CaptMoosie
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See all Blog Entries

Section Blogs

Roger's Equations

92 blog entries, 1150 comments (0 Viewing)

3D Printing: Fad or the Future?

12/18/2014 by Roger Pink
3D Printing Impressions I have to admit, the first time I heard about 3D printing, I thought it would be a fad. After all, it seemed an awfully ineff...
Views: 31, Comments: 2
Last comment 12/19/2014 by Noudge79

UV LEDs: A Cool Alternative to Arc Lamps

12/13/2014 by Roger Pink
Soon we may live in a world where all lighting applications are solid state. We will think of light bulbs the way we think of vacuum tubes. Already LE...
Views: 196, Comments: 12
Last comment 12/15/2014 by phoenix911

Moore's Not Enough: The Future of Computing by Roger Pink

10/15/2014 by Roger Pink
Moore's Law Gordon E. Moore, in his 1965 paper entitled "Cramming More Components onto Integrated Circuits" made the observation that the number of c...
Views: 441, Comments: 1
Last comment 10/16/2014 by SimpleMind
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Editor's Desk

2 blog entries, 30 comments (1 Viewing)

Innovation/Disruption as Part of the Engineering Design Process

12/16/2014 by wagman262
The Engineering360 editors are interested in better understanding how innovation and disruption play roles in the product/project design cycle. As a s...
Pathfinder Tags: design disruption innovation product
Views: 102, Comments: 4
Last comment 12/18/2014 by wagman262

As an Engineer, What's Your Biggest Challenge?

12/15/2014 by wagman262
More than 2,100 engineers and allied professionals from around the world took part in the first annual IHS Engineering360 "Pulse of Engineering" res...
Views: 243, Comments: 26
Last comment 12/19/2014 by NotUrOrdinaryJoe
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The Engineer's Notebook

327 blog entries, 5369 comments (0 Viewing)

Nerdy Gifts

12/13/2014 by Chelsey H
Yay Christmas! Shopping for the fantastic nerd in your life? Here are some ideas to help you find that perfect thing for your favorite nerd. 1/2/3...
Views: 241, Comments: 8
Last comment 12/16/2014 by texasron

Lifecycle of The Mayflower

11/26/2014 by HUSH
As has become CR4 happenstance, I am one of the last ones to post before Thanksgiving. To be honest, I'm not in the office this Wednesday and haven'...
Pathfinder Tags: Mayflower Thanksgiving transocean voyage
Views: 240, Comments: 4
Last comment 11/27/2014 by lyn

Skyney is Coming, No Really (Technological Singularity)

11/19/2014 by HUSH
Last spring I was on vacation in Florida and took the hour drive from the beach into Orlando to visit Universal Studios. Many people elect for one o...
Pathfinder Tags: Singularity technology Terminator transhuman
Views: 199, Comments: 15
Last comment 11/21/2014 by europium mkII
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Caption This!

291 blog entries, 12399 comments (7 Viewing)

Caption This for 12/19/14

12/18/2014 by Kaplin
This week's image: Be sure to vote for your favorite caption! Thanks to energyconversion for submitting this image.
Pathfinder Tags: airplane Caption this door engineering images funny images
Views: 243, Comments: 30
Last comment 12/19/2014 by Unredundant

Caption This for 12/12/14

12/11/2014 by Kaplin
This week's image: Be sure to vote for your favorite caption! Thanks to PWSlack for submitting this image.
Pathfinder Tags: Caption this electric engineering images funny images
Views: 628, Comments: 52
Last comment 12/19/2014 by Whitephone

Caption This for 12/05/14

12/04/2014 by Kaplin
This week's image: Be sure to vote for your favorite caption! Thanks to PWSlack for submitting this image.
Pathfinder Tags: Caption this engineering images funny images painters
Views: 629, Comments: 29
Last comment 12/08/2014 by reward54
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Defense & Security Technology

78 blog entries, 1198 comments (0 Viewing)

Will the U.S. Navy Build the World's Only Supercavitating Ship?

12/10/2014 by HUSH
For the good of everyone, major combat operations by a military navy haven't occurred in decades. Though expeditionary exercises in support of air a...
Pathfinder Tags: defense ghost navy supercavitate
Views: 448, Comments: 30
Last comment 12/18/2014 by cuba_pete

Syrian Chemical Weapons Destruction Problematic

09/25/2014 by IHS GlobalSpec eNewsletter
A recent U.S. statement said Syria could have withheld some of its chemical weapons from destruction. While the stocks turned over have been destr...
Views: 252, Comments: 2
Last comment 09/29/2014 by Wrench twirler

China's Hong Kong Listening Post Revealed

08/24/2014 by IHS GlobalSpec eNewsletter
The purpose of a geodesic dome atop Hong Kong's highest mountain was unveiled recently in IHS Jane's Defence Weekly. The facility has been operating...
Views: 517, Comments: 8
Last comment 08/25/2014 by Unredundant
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Challenge Questions

322 blog entries, 27431 comments (0 Viewing)

Autumnal Glow: Newsletter Challenge (December 2014)

12/01/2014 This month's Challenge Question: Specs & Techs from IHS Engineering360: It is a new moon and Lee is taking a predawn stroll on a beach on the ea...
Pathfinder Tags: challenge question
Views: 1844, Comments: 62
Last comment 12/18/2014 by LarryG

Icy Imbalance: Newsletter Challenge (November 2014)

11/01/2014 This month's Challenge Question: Specs & Techs from IHS Engineering360: The two poles of the Earth contain ice. Why does Antarctica have much mo...
Pathfinder Tags: challenge questions
Views: 2977, Comments: 20
Last comment 11/26/2014 by MOBI

The Merlin Rocket Engine: Newsletter Challenge (October 2014)

10/01/2014 This month's Challenge Question: Specs & Techs from IHS Engineering360: The SpaceX Falcon 9 v1.1 uses nine Merlin 1D rocket engines in its first...
Pathfinder Tags: challenge question
Views: 2635, Comments: 46
Last comment 10/28/2014 by HiTekRedNek
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The CR4 Admin Blog

69 blog entries, 1064 comments (1 Viewing)

Engineering News Blog Retired, New Feed to Engineering360 Launched

11/20/2014 by SavvyExacta
By now you're probably familiar with CR4's new look following the launch of IHS Engineering360 in September. In case you missed it, read my overview h...
Views: 193, Comments: 9
Last comment 11/21/2014 by HUSH

IHS Engineering360 Tour

10/02/2014 by SavvyExacta
IHS Engineering360 launched one week ago. The new site is a great resource for engineers because it offers supplier and part search, daily news and...
Views: 237, Comments: 0

Changes to CR4 Navigation

09/25/2014 Welcome to the new IHS Engineering360! As you can see, there have been some slight changes to the navigation on CR4. Check out the graphic and explana...
Views: 460, Comments: 15
Last comment 09/29/2014 by Wrench twirler
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The Standard

4 blog entries, 12 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: 105, 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: 97, Comments: 0

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: 194, Comments: 8
Last comment 11/08/2014 by tcmtech
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61 blog entries, 516 comments (1 Viewing)

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: 323, Comments: 18
Last comment 11/03/2014 by Lynn.Wallace

Dangerous Drilling - Oil & Gas Rig Safety

03/06/2014 by cheme_wordsmithy
Crude oil and natural gas have over the last hundred plus years become critical to our way of life and economy. Not only do they satisfy a huge chun...
Views: 587, Comments: 2
Last comment 03/06/2014 by texasron
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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: 472, 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: 395, 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: 550, Comments: 15
Last comment 08/13/2014 by suresh sharma
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Notes & Lines

18 blog entries, 116 comments (0 Viewing)

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: 455, Comments: 14
Last comment 08/06/2014 by Holzfeller

For Love of the Index

05/09/2014 by Hannes
If you're a literate human who's a (diligent) knowledge worker or (diligent) student, chances are you've used an index this week. Or at least you di...
Pathfinder Tags: books index indexing
Views: 343, Comments: 0

Wait...What'd I Just Say?

03/27/2014 by Hannes
Several months ago, an acquaintance decided to try out a speech recognition software program to cure writer's block. He found it to be quite "inte...
Pathfinder Tags: ambiguity natural language processing nlp words
Views: 833, Comments: 8
Last comment 04/02/2014 by Calnet42
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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: 537, Comments: 11
Last comment 07/22/2014 by SavvyExacta
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Animal Science

210 blog entries, 1914 comments (0 Viewing)

Ways to Care for Your Aging Cat

06/16/2014 by SwissMiss
One of my most cherished memories is the day I adopted my first cat. My younger self was delighted to have a new friend, and as we grew together ove...
Views: 674, Comments: 8
Last comment 06/20/2014 by SwissMiss

Jeepers, Creepers... a Different Kind of Peepers!

05/01/2014 by SavvyExacta
The birds are singing, the grass is greening, and the peepers are peeping. Spring has finally sprung here in upstate New York after a long, long win...
Pathfinder Tags: ANIMAL SCIENCE frogs hibernation peepers
Views: 550, Comments: 5
Last comment 05/02/2014 by lyn

Would You Do Anything for Love? Cardinals Will!

02/14/2014 by SavvyExacta
As you enjoy your morning coffee you gaze out the window and watch the birds at the feeder. But what's going on in the distance - is something attac...
Pathfinder Tags: bird behavior
Views: 752, Comments: 6
Last comment 02/19/2014 by Doggoneit
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WoW Blog (Woman of the Week)

159 blog entries, 452 comments (0 Viewing)

Women Redefining Leadership in STEM and IT

05/10/2014 by Chelsey H
As of 2014, there is still a lack of female representation in science, technology, engineering, and mathematics. Women hold just about 32 percent of...
Views: 567, Comments: 3
Last comment 05/11/2014 by europium mkII
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What Is It?

60 blog entries, 1628 comments (0 Viewing)

What Is It? for 2/28/2014

02/28/2014 What is this stuff?
Views: 953, Comments: 30
Last comment 03/18/2014 by RufusVS

What Is It? for 2/22/2014

02/22/2014 What is this item? Two views are shown. Share your guesses below!
Pathfinder Tags: What is it?
Views: 1073, Comments: 71
Last comment 03/02/2014 by Andy Germany

What Is It? for 2/15/2014

02/15/2014 What is this? Bonus points if you can guess where it is, too!
Pathfinder Tags: What is it?
Views: 949, Comments: 19
Last comment 03/06/2014 by steven phaneuf
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Great Engineers & Scientists

144 blog entries, 499 comments (0 Viewing)

U.S. Presidents Who Were Engineers

02/16/2014 by SavvyExacta
Monday is Presidents' Day in the USA. In honor of Washington and all other presidents we will take a look at those who contributed something to engi...
Views: 926, Comments: 18
Last comment 02/21/2014 by suresh sharma
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Other Blog Entries of Interest

Scrap Metal Wire Stripper

12/12/2014 posted in Workbench Creations
by frankd20
I have been working on a lot of building projects, with not much time for anything else these last few years. As part of these projects, I ended up...
Pathfinder Tags: copper wire recycling wire stripper
Views: 338, Comments: 8
Last comment 12/18/2014 by C-Mac

Heavyweights Flexing BICEP Muscles

11/30/2014 posted in Relativity and Cosmology
by Jorrie
I posted a Blog entry in Jan 2011 on the Colliding Branes Cosmic Model, in which the ideas of Neil Turok and Paul Steinhardt were discussed. Their...
Pathfinder Tags: cosmology Cyclic model inflation
Views: 140, Comments: 1
Last comment 12/01/2014 by Anonymous Hero

Are Energized Fluids the Economic Alternative?

10/03/2014 posted in Rockaholic Adventures
by Shawn
Suppliers, researchers, and service companies working in unconventional oil and natural gas plays look to displace large volumes of hydraulic fract...
Pathfinder Tags: energized fluids energized foams energized fracture treatments
Views: 252, Comments: 0

Galactic Puzzle (take 2)

09/23/2014 posted in Relativity and Cosmology
by Jorrie
Galaxies usually occur in galactic clusters or super-clusters, where from a few tens to a few thousand galaxies move in huge orbits around some...
Pathfinder Tags: Expansion rate Hubble flow
Views: 394, Comments: 23
Last comment 09/25/2014 by dkwarner

Do We Live In a White Hole?

08/28/2014 posted in Relativity and Cosmology
by Jorrie
At the event horizon radius of a normal black hole (BH), things 'fall in' at the local speed of light, or more subtly said, "space itself falls in...
Pathfinder Tags: black hole White hole
Views: 525, Comments: 29
Last comment 09/26/2014 by James Stewart

Slo' Mo' Hat Cam

07/04/2014 posted in Workbench Creations
by Del the cat
I wanted to see how my arrows were flying from my bow, specifically flight arrows. A flight arrow presents a conundrum, you'd think you would want...
Views: 786, Comments: 67
Last comment 07/15/2014 by europium mkII