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Inverter

08/19/2014
posted in Electrical Engineering
by sovikm
How does an inverter, for household purpose, work? Details?
Pathfinder Tags: electrical inverter Question
Views: 12, Comments: 2
Last comment 08/20/2014 by SolarEagle
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space plankton?

08/19/2014
posted in General Discussion
by Fredski
hoax or bad science?http://www.grindtv.com/outdoor/nature/post/sea-plankton-discovered-outside-space-station/
Views: 18, Comments: 3
Last comment 08/20/2014 by lyn
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Big Nuclear Battery, Coming Soon.....?

08/19/2014
posted in General Discussion
by SolarEagle
...." American business can still be creative and UPower Techologies thinks it may have a way to get nuclear energy going again without being block...
Views: 36, Comments: 5
Last comment 08/19/2014 by Fredski
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Lyn in the News Again

08/19/2014
posted in Electrical Engineering
by wareagle
Did you get wet? http://www.usatoday.com/videos/news/nation/2014/08/19/14301321/
Views: 40, Comments: 7
Last comment 08/19/2014 by kvsridhar
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Older Tools: Do You Use Them?

08/19/2014
posted in General Discussion
by old salt
Although time wise, The Cro-Magnon period was many years before us, how many of us practice the use of early tools in the workshop, garage or even at...
Pathfinder Tags: enjoy using old tools hand tools modern tools old tools
Views: 148, Comments: 39
Last comment 08/20/2014 by geraldpaxton
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Spinwave Systems Mesh Network

08/19/2014
posted in Communications & Electronics
by jonaparker
Does anyone have experience working with Spinwave Systems wireless mesh networks? We are using them to count energy meter pulses. My current issue is...
Views: 31, Comments: 0
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ASME VS DIN Standard For Flanges

08/19/2014
posted in Mechanical Engineering
by Anonymous Poster
Is there any difference in dimensions of ASME B16.5 Flanges and DIN standard flanges.
Views: 59, Comments: 12
Last comment 08/20/2014 by Asif Warraich
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How To Choose Power Supply

08/19/2014
posted in Electrical Engineering
by Fosas
I need very efficient power supply. I looked through several websites, but my colleague advised me this one http://ohmps.com/ My question is how to...
Views: 96, Comments: 3
Last comment 08/19/2014 by redfred
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Electron Spin

08/19/2014
posted in General Discussion
by Fredski
do they spin clockwise or counter clock? I don't really care I just wanted a thread that didn't trumpet gender
Views: 113, Comments: 19
Last comment 08/19/2014 by Relativity PL
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Power Bus Technology

08/19/2014
posted in Electrical Engineering
by riswinmh
This is an unique technology which can use ready RS485, CAN, Meter-Bus, ethernet to build network with both of the signal/power in two wires (total bu...
Views: 50, Comments: 2
Last comment 08/19/2014 by Fredski
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ETAP Training on Skype

08/19/2014
posted in Electrical Engineering
by sma123
Hi we are setting up a project to train power system engineers on ETAP software using real project examples on Skype. This is an essential skill requ...
Views: 57, Comments: 2
Last comment 08/19/2014 by Kris
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Piston Rings

08/19/2014
posted in Mechanical Engineering
by surajsuresh
what are the failures and causes of piston rings in reciprocating compressor
Views: 86, Comments: 10
Last comment 08/19/2014 by yesyen
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Generator Voltage

08/19/2014
posted in Electrical Engineering
by satriatengger
We have existing generator, distribution system, load at 380V. Then we have to replace with new generator 400V. Is it better to use 380V or 400V? Can...
Views: 98, Comments: 5
Last comment 08/20/2014 by 4wsilver
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Hygiene, A Way Of Life!!

08/14/2014
posted in General Discussion
by Andy Germany
It struck me the other day, that I haven't seen anything lately on CR4 about hygiene and tips on how to avoid picking up "Bugs" without being TOO obvi...
Pathfinder Tags: hygiene soap washing hands clean cleaning disinfec
Views: 460, Comments: 92
Last comment 08/20/2014 by vermin
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Water Intrusion Into Elevator Pit, (On The Beach)

08/14/2014
posted in General Discussion
by Scatamooch
Hello, I'm not an engineer, just a maintenance guy working for a country club down here in southwest Florida. At our beach facility, located right on...
Pathfinder Tags: concrete sealer Elevator Pit sump pump Water Intrusion
Views: 432, Comments: 48
Last comment 08/16/2014 by kramarat
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Lighting in Confined Silo

08/13/2014
posted in Electrical Engineering
by jacojan
Hi, I am looking for a suitable lamp which can be used in confined flour silos. Mainly for cleaning inside. I believe it must be extra low voltage DC...
Views: 463, Comments: 47
Last comment 08/19/2014 by Doorman
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A Little Energy Puzzle

08/13/2014
posted in Mechanical Engineering
by Jorrie
Imagine a lightweight wheeled cart on a level surface, with a heavy flywheel mounted with its spin axis aligned to the front-rear axis of the cart. Wi...
Pathfinder Tags: energy conversion flywheel
Views: 417, Comments: 47
Last comment 08/18/2014 by Unredundant
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Open Office

08/18/2014
posted in Software & Programming
by Yuri B.
I found it dreadful to use Open Office. My suspicion is Microsoft invented the Open Office to punish those who does not want or could not buy Microsof...
Views: 292, Comments: 35
Last comment 08/19/2014 by lyn
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Latest Blog Entries

Reinventing the Wheel

08/20/2014 posted in Automotive Technology
by IHS GlobalSpec eNewsletter
Two materials companies have teamed up with a German automaker to reinvent the wheel. Instead of metal, the new configuration will be a composite...
Views: 2, Comments: 1
Last comment 08/20/2014 by SolarEagle
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Grinding Advice You Probably Didn’t Know

08/19/2014 posted in Speaking of Precision
by Milo
Our post on No Gloves When Working on Grinders has prompted a number of responses. Here are some additional reasons why you should not even need glov...
Pathfinder Tags: finger cots gloves grinding tips
Views: 61, Comments: 3
Last comment 08/19/2014 by ronseto
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Sealing Solutions and Material Compatibility

08/19/2014 posted in Elasto Proxy's Sealing Solutions Blog
by Doug Sharpe
How safe are the sidewalks in your city? If you're concerned about cracked cement at your feet, you may want to look skyward instead. No, don't lo...
Views: 30, Comments: 0
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On the Generational Shift in Car Collecting

08/19/2014 posted in Hemmings Motor News Blog
by dstrohl
What cars will younger enthusiasts want to collect? What cars won't they collect? What cars are they collecting right now? We can almost guaran...
Pathfinder Tags: classic auto collection youth
Views: 39, Comments: 0
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How to Automate Surface Finishing and Deburring

08/19/2014 posted in BRM's Flexible Honing, Surface Finishing, and Deburring Blog
by Brush Research
Brush Research Manufacturing (BRM) supplies a complete line of surface finishing solutions for inner diameter (ID) and outer diameter (OD) applicatio...
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Look into the Future

08/19/2014 posted in Data Acquisition
by IHS GlobalSpec eNewsletter
You can see the future of data acquisition by examining its past and present relationship with computers. The two technologies have worked hand in...
Views: 39, Comments: 0
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Non-Profit Vocational Program Aims to Teach Youth How to Resurrect Classic Cars

08/18/2014 posted in Hemmings Motor News Blog
by dstrohl
High school auto shop classes have dwindled in numbers nationwide, thanks to funding cuts. Vocational colleges that teach young adults to work on...
Pathfinder Tags: classic auto project car restoration youth
Views: 78, Comments: 0
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Talking Cars are Coming to a Dealer Near You

08/18/2014 posted in Electronic Components
by IHS GlobalSpec eNewsletter
Technologies enabling self-driving cars got some high-level publicity recently when U.S. President Barack Obama delivered a speech about the natio...
Views: 85, Comments: 6
Last comment 08/19/2014 by OldTooly
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Water Treatment Trends

08/17/2014 posted in Industrial Processing Equipment Blog
by IHS GlobalSpec eNewsletter
Innovations in water treatment are driven by population growth, industrial water use, and the environment. So says George Barclay of Dow Water &am...
Views: 174, Comments: 5
Last comment 08/19/2014 by SolarEagle
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Hot Off the Press

08/16/2014 posted in Machine Tools & Metal Working Blog
by IHS GlobalSpec eNewsletter
Assuming the automotive industry remains a major user of metal materials, its priorities will inevitably continue to determine those of many metal...
Views: 152, Comments: 1
Last comment 08/17/2014 by Stuart21
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H2FIRST Can Enhance Much Needed Hydrogen Fueling Infrastructure

08/15/2014 posted in MotorBeat
by Jordan Perch
The fact that the lack of fueling infrastructure is one of the biggest hurdles for hydrogen-powered vehicles is very well known to both the auto indu...
Pathfinder Tags: california Energy H2FIRST hydrogen infrastructure ...
Views: 174, Comments: 12
Last comment 08/17/2014 by C-Mac
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Gloves and Grinders – UNSAFE OSHA

08/15/2014 posted in Speaking of Precision
by Milo
If there is a worse combination than grinders and gloves, I don't know what it is, except perhaps for gloves and a drill. We posted a really cool vid...
Pathfinder Tags: gloves grinders osha Tools
Views: 422, Comments: 37
Last comment 08/19/2014 by lyn
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ESDU Challenge: Geopotential Height

08/15/2014 posted in IHS ESDU Blog
by SavvyExacta
In this series from IHS ESDU, challenge questions will be posted for the community. Some questions may require calculations and others are general kno...
Pathfinder Tags: ESDU
Views: 169, Comments: 3
Last comment 08/19/2014 by Tornado
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Projecting the Capabilities of Future Fighter Jets

08/15/2014 posted in Aerospace Blog
by IHS GlobalSpec eNewsletter
Naturally, one would expect the latest and greatest technologies to be incorporated into the design of next-generation military fighter jets. It's...
Views: 183, Comments: 3
Last comment 08/18/2014 by reward54
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ESDU Challenge: Vertical Winglet

08/15/2014 posted in IHS ESDU Blog
by SavvyExacta
In this series from IHS ESDU, challenge questions will be posted for the community. Some questions may require calculations and others are general kno...
Pathfinder Tags: ESDU
Views: 6, Comments: 1
Last comment 08/19/2014 by Rixter
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Caption This for 08/15/14

08/14/2014 posted in Caption This!
by Kaplin
This week's image: Be sure to vote for your favorite caption! Thanks to europium mkII for submitting this image.
Pathfinder Tags: camouflage Caption this couch engineering images funny images
Views: 536, Comments: 34
Last comment 08/18/2014 by europium mkII
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