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Liquid battery big enough for the electric grid?

11/21/2009
posted in New Technologies & Research
by jdretired
MIT news item on a battery, large enough for renewable power systems, some time in the future? Regards JD.
Views: 7, Comments: 1
Last comment 11/21/2009 by tcmtech
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Science Fair - Measuring Ethyelen Gas produced from a fruit?

11/21/2009
posted in General Discussion
by Guest
For my science fair project, basically I'm comparing the amount of ethyelene gas produced from fruits placed in different temperatures. I've been...
Views: 9, Comments: 2
Last comment 11/21/2009 by Tornado
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LED TV

11/21/2009
posted in General Discussion
by Steve S.
I was walking through my local Best Electronics the other day, and was startled by the picture quality on one of their display TV's. It was a Samsung...
Views: 10, Comments: 1
Last comment 11/21/2009 by Anonymous Hero
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Looking for simulation software because I have no common sense.

11/21/2009
posted in General Discussion
by tcmtech
Yep thats right. Maybe you guys can help me out. I am unable to do the most simple real life tasks because I cant find the correct simulation software...
Pathfinder Tags: Simulation software dependancy overload.
Views: 15, Comments: 2
Last comment 11/21/2009 by TVP45
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Shower pan leak

11/21/2009
posted in General Discussion
by Don in LA
I believe I have a leak in the connection of the shower drain. I noticed a water stain on the outside slab and I checked in the comprable area inside...
Views: 9, Comments: 2
Last comment 11/21/2009 by mike k
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Electric Distribution Pole Line Design Software

11/21/2009
posted in Electrical Engineering
by bobrog
Anyone have any experience with distribution (up to 36kV) pole line software? I am looking for software that will provide pole height, pole class, sa...
Pathfinder Tags: Electric Distribution Pole Line Software
Views: 10, Comments: 3
Last comment 11/21/2009 by tcmtech
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CT coil question

11/21/2009
posted in Electrical Engineering
by TAT
If you pass a 1mm single core cable through a ct coil and get a reading of 5A , what would the reading be if you looped the same cable back through 2...
Views: 17, Comments: 5
Last comment 11/21/2009 by TAT
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StaadPro Querry

11/21/2009
posted in Software & Programming
by l_siva_kumar@hotmail.com
How moving load is generated and applied as concentrated load on the beams in StaadPro?
Views: 6, Comments: 1
Last comment 11/21/2009 by JohnDG
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Wind Turbine Blades

11/21/2009
posted in Sustainable Engineering
by miik999
I have recently designed a set of blades that self feather when the wind gets too strong.I have them attached to the hub in such a way that the presur...
Pathfinder Tags: feathering blades wind turbine blades
Views: 26, Comments: 2
Last comment 11/21/2009 by Transcendian
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Site commissioning of 15/0.38 kV Distribution Transformers

11/21/2009
posted in Electrical Engineering
by aindatissa
I would like to know the essential testing need to be carried out before energizing 15/0.38 kV, 3 phase Distribution transformers in order of 400 kVA....
Views: 12, Comments: 0
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My World is Smaller Now

11/21/2009
posted in General Discussion
by lynlynch
Two years ago, headlines such as, "COCKERMOUTH, England – Raging floods engulfed northern England's picturesque Lake District on Frid...
Views: 23, Comments: 5
Last comment 11/21/2009 by Tornado
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Electric motor 1 hp 220vac vs 110vac

11/21/2009
posted in Electrical Engineering
by tomkoko
Please settle a dispute between jim and I. I maintain a 1hp motor at 220vac has the same power as a 110vac motor. He believes a 1 hp 220vac...
Views: 49, Comments: 10
Last comment 11/21/2009 by nezihozfirat
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Fluorescent Bulbs and Cold Weather Starts

11/16/2009
posted in Electrical Engineering
by elnav
Does anyone know why CCF and ECO friendly flourescent bulbs are worse for starting in cold weather. A search of CR4 only showed my own posts from last...
Views: 313, Comments: 51
Last comment 11/21/2009 by Kyzine
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Storing an Aluminum Canoe in Subfreezing Weather

11/17/2009
posted in General Discussion
by 4123
I'm a little concerned about leaving my 13ft 1981 Smokercraft aluminum canoe outside in below freezing weather. This canoe has many rivets and my co...
Pathfinder Tags: Freezing weather and rivets
Views: 350, Comments: 36
Last comment 11/20/2009 by babybear
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What Ideal Tools and Toolbox Would be Yours?

11/15/2009
posted in General Discussion
by Transcendian
Small fast, light and strong tools can make the difference between life and death. The Tool Box is nearly as important as the Tools....
Views: 239, Comments: 34
Last comment 11/21/2009 by Transcendian
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Is It Just Me?

11/20/2009
posted in General Discussion
by TVP45
So, I haven't gone on a rant for some hours now, but I have a semi-serious lament. Here's the setup. The other day, I was trying (!) to teach some stu...
Views: 201, Comments: 33
Last comment 11/21/2009 by TVP45
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Seeking Displacement of 1904 Engine

11/14/2009
posted in Automotive
by BMEWS
I read that a Peerless race car, circa 1904, had a 4 Cylinder motor with a 6" x 6" bore and stroke. What was the cu. in. & liter displacement of t...
Views: 263, Comments: 32
Last comment 11/21/2009 by babybear
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What Would a Pennsylvania Polar Bear Look Like?

11/21/2009 posted in Oil & Gas Technology
The USGS recently estimated that the Arctic holds 22% of the world's undiscovered oil and gas resources. Unfortunately, the predominant Arctic hydroca...
Views: 12, Comments: 0
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Help Stop Supply Chain Energy Leaks

11/21/2009 posted in Supply Chain Integration & Technology
Energy efficiency and conservation are hot topics in all links of the supply chain. One article in this issue talks about how to save energy in a dist...
Views: 7, Comments: 0
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Preventing Catastrophic Welding Failures

11/21/2009 posted in Fastening, Joining & Assembly
Welding failures have resulted in catastrophic consequences. For instance, a defective 6 mm weld wrecked the Norwegian Alexander Kielland semi-submers...
Views: 8, Comments: 1
Last comment 11/21/2009 by Tornado
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Android Architecture Airs Its Secrets…

11/20/2009 posted in Electronic Product Design
Peek inside the two primary printed-circuit boards (PCBs) inside the premier Google mobile handset offering! Reverse engineers ripped out the cell pho...
Views: 88, Comments: 1
Last comment 11/20/2009 by Guest
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Netting Your Notebooks?

11/20/2009 posted in Engineering Management
As you get ready to purchase the next computers for your team, what form will they take? Vast storage networks provide access to your data from anywhe...
Views: 40, Comments: 1
Last comment 11/20/2009 by cwarner7_11
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Edwin Powell Hubble: Astronomer and Namesake of the Orbiting Telescope

11/20/2009 posted in Great Engineers & Scientists
by ShakespeareTheEngineer
He has been likened to English physicist Isaac Newton and Italian astronomer Galileo Galilei. The most powerful telescope in existence is named af...
Pathfinder Tags: Edwin Powell Hubble Telescope Astronomy Nebulae B
Views: 46, Comments: 0
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Caption This for 11/20/09

11/19/2009 posted in Caption This!
This week's image:...
Pathfinder Tags: Caption this engineering funny image
Views: 302, Comments: 25
Last comment 11/21/2009 by tcmtech
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Hyundai at SEMA

11/19/2009 posted in CarDomain Blog
by CarDomain
At the Hyundai booth this year, it was about the Genesis Coupe. There was only one Genesis sedan on display, and I liked how there was an artist h...
Pathfinder Tags: car shows Hyundai Gensis Coupe las vegas SEMA 2009
Views: 61, Comments: 0
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Can We Solve Climate Change and Hunger?

11/19/2009 posted in Food & Beverage Technology
Industry experts meeting at the World Food Prize forum gathered to debate how companies can balance an increase in food production with sustainable, e...
Views: 118, Comments: 17
Last comment 11/21/2009 by Guest
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Better Than a Pink Cadillac?

11/19/2009 posted in Hemmings Motor News Blog
by dstrohl
We've dipped our toes into the Pink Mustang scene before, and now we've come across another one on Hemmings.com, for sale out of Roswell, Georgia, f...
Pathfinder Tags: 1965 Ford Mustang Playboy Pink Mustang
Views: 140, Comments: 1
Last comment 11/20/2009 by Daddio926
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Carroll Killen: Mission-Critical Engineer

11/19/2009 posted in Great Engineers & Scientists
by Moose
Carroll G. Killen, Jr. was a distinguished electrical engineer who worked for the Sprague Electric Company in North Adams, Massachusetts for 40 ye...
Pathfinder Tags: capacitors electrical engineers north adams sprague electric company
Views: 66, Comments: 1
Last comment 11/21/2009 by phoenix911
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Pour Yourself a Cup of Microsoft’s COFEE

11/19/2009 posted in TeknologikL
by Kaplin
No, I didn't spell COFEE wrong. COFEE is an acronym for Computer Online Forensic Evidence Extractor and it's Microsoft's digital forensics softwar...
Pathfinder Tags: COFEE forensics hackers Law Enforcement microsoft ...
Views: 354, Comments: 10
Last comment 11/20/2009 by artsmith
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New Hope for Steam Power: Testing the Efficiency

11/18/2009 posted in Alternative & Renewable Energy Blog
by Old_School
Having proven that my engine design was practical (and actually worked), the next step was to test its power output in order to determine engine effic...
Pathfinder Tags: Alternative Energy green Home made homemade ...
Views: 115, Comments: 1
Last comment 11/19/2009 by machine head
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Should Manufacturers Tell All?

11/18/2009 posted in Motors Blog
Just how much do manufacturers — whether it be household cleaning chemicals, food and beverage manufacturers, or anything else — have to t...
Views: 25, Comments: 0
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What's an Elmore?

11/18/2009 posted in Hemmings Motor News Blog
by dstrohl
Off the top of our heads, we don't know how many examples of the Elmore were built during its eyeblink in history. It was briefly produced, beginn...
Pathfinder Tags: Burton Becker Elmore James Becker Ohio two-stroke power ...
Views: 157, Comments: 0
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