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03/08/2015 12:00 AM

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WorldScienceU.com

04/19/2015
posted in General Discussion
by ralfcis
I haven't been here for almost 2 years. I gave up trying to understand relativity because I was stuck on understanding how it differed from the dopple...
Pathfinder Tags: relativity
Views: 7, Comments: 2
Last comment 04/19/2015 by SolarEagle
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Mayweather is ridiculously rich

04/19/2015
posted in Electrical Engineering
by asrsjj
Game of Thrones Season 5 Episode 2 Watch Free Online Mad Men Season 7 Episode 10 Watch Free Online The Royals Season 1 Episode 6 Watc...
Views: 21, Comments: 3
Last comment 04/19/2015 by redfred
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Help. Got a triphase equipment to my residential home

04/19/2015
posted in Electrical Engineering
by riddler7777
Hi. I don't have triphase in my residential house. A company shipped a triphase then went bankrupt. I have a Jandy EE2000T-263 heat pump for my pool....
Views: 31, Comments: 3
Last comment 04/19/2015 by Anonymous Poster
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Light Pressure

04/19/2015
posted in General Discussion
by Chen Juanjuan
When the laser lights on an object, how far can the object move? Are there any formula derivation about the relationship between the laser's power and...
Views: 34, Comments: 3
Last comment 04/19/2015 by redfred
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Red Hot Turbos on Cummins QSM !!

04/18/2015
posted in Mechanical Engineering
by Wick
I am new to the CR4 site-- and I feel very grateful for the opportunity to discuss a problem with the engineering community on CR4. I have two Cummin...
Pathfinder Tags: red hot turbos
Views: 28, Comments: 3
Last comment 04/19/2015 by PWSlack
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Material

04/18/2015
posted in General Discussion
by Gadepalli Subrahmanyam
There is a village in Kerala, India, where metal mirrors are made. The metal apparently is an alloy of copper, Tin etc., and these mirrors last very l...
Views: 34, Comments: 4
Last comment 04/19/2015 by PWSlack
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Can Outdoor Wrought Iron Rocking Chairs Be Repaired?

04/18/2015
posted in General Discussion
by kathy diamond
I have an outdoor set of swivel rocking chairs made of wrought iron. Some of them now just rock to far back or forward where you feel like you will fa...
Pathfinder Tags: wrought iron
Views: 121, Comments: 9
Last comment 04/19/2015 by suresh sharma
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Contacting Nokia and Finding an Antenna Designer

04/18/2015
posted in Electrical Engineering
by Quantum4
Hello everyone, This one is a two for one: 1. How can I get in contact with Nokia's (electrical) engineering department? Googling quickly doesn't yi...
Pathfinder Tags: antenna engineering NOKIA PCB RFID
Views: 115, Comments: 6
Last comment 04/19/2015 by Quantum4
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Putting Two Different Networks on the Same Subnet Mask

04/18/2015
posted in Communications & Electronics
by tevoip
Hello everybody ! This is the Issue: Two buildings,each other are located to 2000 feet, the first site has a network with the ip range to 192.168.1.1...
Views: 68, Comments: 2
Last comment 04/19/2015 by Beynona
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Remove Email Subscriptions

04/18/2015
posted in CR4 Feedback
by nvmani
Sir, Please advise how to remove my subscriptions to email? Thanks, NV Mani
Views: 80, Comments: 5
Last comment 04/19/2015 by PWSlack
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Mertirial

04/17/2015
posted in General Discussion
by Chen Juanjuan
We want to know a kind of metal whose reflectance parameters is high and density is small. And it is available to buy. Besides, the metal should be ma...
Views: 113, Comments: 7
Last comment 04/19/2015 by PWSlack
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How do I fabricate this part with carbon fiber

04/17/2015
posted in General Discussion
by Anonymous Poster
I am working on changing some parts from metals to carbon fiber and other composites but I need help regarding this part, its a circle profile that i...
Views: 134, Comments: 9
Last comment 04/19/2015 by phoenix911
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Change to Clean Water Act

04/17/2015
posted in General Discussion
by JavaHead
USEPA and USACE are nearing a final decision regarding the definition of 'waters of the U.S.' (WOTUS) in the federal Clean Water Act (CWA). In addi...
Views: 113, Comments: 14
Last comment 04/18/2015 by CaptMoosie
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Proper Method to Upset (Bend) a Cotter Pin

04/15/2015
posted in Mechanical Engineering
by lyn
My first real job was building "cherry Pickers" in 1965. I was taught a specific method to bend cotter pins and use tie wire to indicate bolt loosenin...
Views: 409, Comments: 49
Last comment 04/19/2015 by lyn
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Wire Gauge for a Boat's Instrument Panel

04/14/2015
posted in Instrumentation
by r&ddoc
Hello! I am planning to replace the instruments (Tach w/ hour meter, fuel level, oil pressure, water temp, voltmeter) and wiring of the instrument pan...
Pathfinder Tags: Wire Gauge for instrument panel
Views: 330, Comments: 41
Last comment 04/16/2015 by r&ddoc
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What is This? No Googling!

04/13/2015
posted in BioMech & BioMed
by Fredski
Views: 651, Comments: 39
Last comment 04/16/2015 by bob c
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Generator Going off on Undervoltage in Cold Weather at start up

04/14/2015
posted in Electrical Engineering
by ahec2222
I have a Briggs + Stratton Natural gas/LP 10k/9K standbye generator. As the temperature gets colder it goes off after about 30 seconds on an "Under Vo...
Pathfinder Tags: Generator going off on undervoltage
Views: 342, Comments: 34
Last comment 04/16/2015 by dj95401
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Probability Question

04/12/2015
posted in General Discussion
by Haris
Can anyone in this forum able to solve this pribability question? This is the challenging question and i want help frm the fotum gurus. A player flip...
Views: 309, Comments: 32
Last comment 04/14/2015 by reward54
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Challenge: Control of Latching Relay (Contactor)

04/13/2015
posted in Electrical Engineering
by 4wsilver
Background: I have a large need for power on a pickup with a pop-up camper on it. My wife and I have both been required to use CPAP type machines and...
Pathfinder Tags: BMS latching relay lithium battery
Views: 248, Comments: 27
Last comment 04/15/2015 by 4wsilver
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Latest News from IHS Engineering360

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Mosque Moved in Heavy Lift

04/19/2015 posted in Construction Tools & Equipment
by IHS GlobalSpec eNewsletter
When the Saudi Arabian National Guard located in Jeddah made plans to expand five hospitals, they had a 2,400 ton problem standing in their way. That...
Views: 7, Comments: 0
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Air Force One Upgrade

04/19/2015 posted in Aerospace Blog
by joeymac
It's looking like the Air Force is going to give Air Force One an upgrade. The Air Force currently uses the Boeing 747-200 aircraft as Air Force On...
Pathfinder Tags: aerospace air force one aircraft upgrade Boeing 747 presidents plane
Views: 11, Comments: 3
Last comment 04/19/2015 by lyn
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So You Have All This Data - Now What?

04/18/2015 posted in Networking & Communications
by IHS GlobalSpec eNewsletter
Much of the data zipping through the IoT ends up being used for analysis, but sometimes the sheer volume of data can overwhelm the ability of systems...
Views: 19, Comments: 1
Last comment 04/19/2015 by 70AARCuda
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Cars Go Optoelectronic

04/17/2015 posted in Automotive Technology
by IHS GlobalSpec eNewsletter
Optoelectronics - including LEDs, optocouplers, and infrared components - have increasingly supplanted more conventional electronics, especially in au...
Views: 34, Comments: 0
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Don't be Myopic About Going Outside

04/17/2015 posted in Biomedical Engineering
by Chelsey H
I got my first pair of glasses when I was 14 years old because I couldn't read the board from the back of the classroom. I remember walking out of t...
Views: 117, Comments: 6
Last comment 04/18/2015 by JIMRAT
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Using Software to Aid Aircraft Design Analysis

04/17/2015 posted in IHS ESDU Blog
by SavvyExacta
Data is only as good as how it's used. And while there is a lot of data available about metal and composite structures, good software can help apply w...
Views: 34, Comments: 0
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Caption This for 04/17/15

04/16/2015 posted in Caption This!
by Kaplin
This week's image: Be sure to vote for your favorite caption! Thanks to luyombya for submitting this image.
Pathfinder Tags: bike Caption this engineering images funny images mower
Views: 359, Comments: 42
Last comment 04/18/2015 by Sid_Sidow
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Moore's Law at 50

04/16/2015 posted in Editor's Desk
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: 155, Comments: 4
Last comment 04/17/2015 by Wal
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Cheap Gas Boosts SUV Sales

04/16/2015 posted in MotorBeat
by Jordan Perch
One of the effects that were expected when gas prices started dropping six months ago, was increased demand for SUVs and other gas-guzzling vehicles,...
Pathfinder Tags: cheap gas gas gas prices SUV SUV sales
Views: 58, Comments: 4
Last comment 04/18/2015 by texasron
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The Rarest GTO You May Have Never Wanted

04/16/2015 posted in Hemmings Motor News Blog
by dstrohl
When it comes to collecting vintage cars, generally, nostalgia, value (real or perceived), budget and rarity all come into play. Many option co...
Pathfinder Tags: classic auto classified GTO rare
Views: 237, Comments: 0
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Aerospace Engineering: What to Expect in 2050

04/16/2015 posted in Aerospace Blog
by CR4 Guest Author
What will the world of tomorrow look like? Some of us reading this may be alive in 2050, whereas others won't. Either way, the inevitable reality o...
Views: 86, Comments: 0
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The Grid Keeps Going During Solar Eclipse

04/16/2015 posted in Alternative & Renewable Energy Blog
by IHS GlobalSpec eNewsletter
Many anticipated the partial solar eclipse throughout northern Europe with awe on March 20, while utility operators and power distributors in Germany...
Views: 85, Comments: 3
Last comment 04/17/2015 by pnaban
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El Niño Vuelve (The Niño Returns)

04/15/2015 posted in Environmental Technology
by HUSH
I am not one to go on and on about weather. I try to avoid typical small talk, especially if it concerns the weather. I do not watch the Weather Cha...
Pathfinder Tags: climate El Nino NOAA The Blob
Views: 151, Comments: 5
Last comment 04/16/2015 by 70AARCuda
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What Would You Mix and Match to Make the Perfect Car?

04/15/2015 posted in Hemmings Motor News Blog
by dstrohl
Good news, everyone! I have just invented the Patented Miracle Mystery Adapter, which is not at all based on the spackling properties of Torgo'...
Pathfinder Tags: classic auto Discussion project car
Views: 195, Comments: 17
Last comment 04/17/2015 by LOCKDUKE
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Amphibious Jumbo Aircraft Undergoes Initial Testing

04/15/2015 posted in Aerospace Blog
by IHS GlobalSpec eNewsletter
If you're building a huge aircraft that can take off and land on both land and water and remain aloft for long periods, it had better work. The engine...
Views: 212, Comments: 3
Last comment 04/16/2015 by Unredundant
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Detroit Art Gallery Exhibit Looks at the Nationwide Spread of Lowriding

04/14/2015 posted in Hemmings Motor News Blog
by dstrohl
Though often considered an automotive subculture geographically limited to Southern California, lowriding has spread across the country, from Sou...
Pathfinder Tags: car culture classic auto lowrider project car
Views: 125, Comments: 3
Last comment 04/18/2015 by Unredundant
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