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Analysis
Charles Murray

Captain Hybrid
Slideshow: Electric Car Batteries Get Bigger
Charles Murray, Senior Technical Editor, Electronics & Test
2/10/2012  7
To boost the range of pure electric vehicles (EVs), automakers need more onboard energy. To get more energy, they need bigger battery packs.

Beth Stackpole

News
iPad App Provides On-the-Go Product Data
Beth Stackpole, Contributing Editor, Design Hardware & Software
2/10/2012  4
What engineer doesn't want access to product data on the go? It's a need that shows no signs of abating, particularly in light of the increased use of outsourced design partners and ...

Ann R. Thryft

News
Packaging Materials Grown From Mushrooms
Ann R. Thryft, Senior Technical Editor, Materials & Assembly
2/10/2012  8
It's one thing to create bio-based resins from food crop feedstocks. It's another to produce them using sugar cane trash and other plant waste to avoid competing with human food and ...

Jon Titus

Mechatronics Zone
How Many Calculus Classes Do Engineers Need?
Jon Titus, Contributing Technical Editor
2/10/2012  7
As an undergraduate, I took five semesters of calculus. The last semester on partial differential equations supposedly gave me a head start for grad school in my chosen field of ...

Charles Murray

Captain Hybrid
Chevy Volt's Big Problem Isn't Safety, It's Cost
Charles Murray, Senior Technical Editor, Electronics & Test
2/9/2012  53
In the wake of the Chevy Volt fire investigations, sales are down, and General Motors' CEO Dan Akerson is blaming the downturn on a spate of bad publicity.

Ann R. Thryft

Engineering Materials
iPad Controls Flying Video Game
Ann R. Thryft, Senior Technical Editor, Materials & Assembly
2/9/2012  11
It costs less than a quarter of the $1,400 bill of materials estimated for the Japanese Defense Ministry's flying sphere. The battery gives it a running time of only 12 minutes. And ...

Karen Lightman

Blog
MEMS in Sports
Karen Lightman, Managing Director, MEMS Industry Group
2/9/2012  13
MEMS in sports is not a new idea. Years ago, Freescale began demonstrating how MEMS could help analyze and improve golf swings by retrofitting accelerometers in the shaft of a golf ...

Charles Murray

Electronic News & Comment
Design News Radio Explores Medical Electronics
Charles Murray, Senior Technical Editor, Electronics & Test
2/9/2012  11
If you design medical devices and want to learn more about electronics, then join us on Design News Radio Tuesday, Feb. 21, at 2:00 p.m. EST.

Brian Fuller & Alexander Wolfe

Blog
Slideshow: More Messy Engineering Desktops
Brian Fuller & Alexander Wolfe
2/8/2012  18
We messed up and you responded. Last fall, we posted a gallery of the messiest engineering desks, courtesy of our sister site, EETimes. EELife editorial director Brian Fuller, who ...

Features

Time for Obama to End Timidity on US Tech Manufacturing Jobs
1/27/2012
 67
President Obama laid out a "blueprint for an American economy that’s built to last" during his election-year State of the Union address this week. Good. When do we start?

Slideshow: 11 Top iPad Engineering Apps
11/28/2011
 32
Here are 11 iPad apps in automation, CAD, and technical reference for mechanical, industrial, and design engineers.

Case Study: Building Your Own 20kW Hydroelectric Power Plant
11/16/2011
 45
Using automation components from AutomationDirect, this small-scale hydroelectric system generates 20kW of power from a nearby lake.

Slideshow: 2012 Consumer Electronics Show (CES) Preview
11/10/2011
 14
The 2012 International Consumer Electronics show has innovative designs of interest to mechanical engineers. Check out our CES slideshow.

Slideshow: Messiest Engineering Desks
10/26/2011
 33
Here's a slideshow of the messiest engineer's desks submitted by readers of our sister site EETimes.

Top 5 Roadblocks to Digital Factory of the Future
10/24/2011
 18
The digital factory of the future faces challenges of cost, compatibility and programmability as PLCs and PACs lurch towards a fulling integrated production cycle.

Slideshow: Apple iPad 2 Teardown
10/5/2011
 6
UBM TechInsights conducted a teardown of the Apple iPad 2 3G version tablet.

Distinguishing Between Scientists & Engineers
10/3/2011
 35
News media often identify engineers as scientists and engineering achievements as scientific ones.

Gadget Freak Case # 204: Self-Starting, ...
Doug Conner's self-starting, solar-powered Stirling engine ...
LEDs Light Up Dodge Dart
Jeff Gale talks about the use of LEDs on the back end of ...
Cadillac Cutting Mass 1 Gram at a Time
How engineers reduced mass of the body structure on the new ...
Ford Showcases Its First Plug-in Hybrid
The technical choices that Ford made on its new C-Max ...
Tesla's Model S Nears Production
Khobi Brooklyn of Tesla Motors talks about the advantages ...
Gadget Freak Case #203: Smart Recycle Can
This recycler determines the type of material being entered ...
What's Next. Right Now.
Mouser urges you to ensure your product life span by not ...
Environmental Commitment
Mouster stresses identifying EOL, obsolete, and NRND products.
Chevy Volt Structure Enhancements
To help the Chevy Volt handle side impacts, GM engineers ...
01:01
Voyager Belt Actuator Lengths up to 6 ...
50mm wide steel reinforced belt and 20mm profile rail and ...
TechnoMod XYZ Gantry System Is a ...
Complete 3-axis automation platform with controller, I/O, ...
ICP Gantry Robot Is a Complete Desktop ...
This compact, low-cost gantry robot is great for testing, ...
Gadget Freak Case #202: The Frankenkindle
Glenn Johnson created an easier-to-use Kindle using the ...
Gadget Freak Case #201: Plug & Play ...
Jared Bouck's monitor system is 100 percent open-source and ...
Gadget Freak Case #200: The Sun Lights ...
To provide nighttime safety for his deck, William Grill ...
02:40
Gadget Freak Case #199: Nixie MilliVolt ...
When James Hartnett found a Nixie, a tube for displaying ...
Gadget Freak Case #198: Build a Remote ...
Andy Morris has devised a propeller fan remote control that ...
Gadget Freak Case #197: Controlling ...
To make his solar water heater more efficient, Paul ...
Cadillac Explains CUE Infotainment System
Jeff Massimilla of GM explains the technology behind ...
Gadget Freak Case #196: Mayan Water ...
This waterfall flows over a miniature Mayan temple, and the ...
Message Boards
Partner Zone
First Stop
Gadget Freak Case # 204: Self-Starting, ...
Doug Conner's self-starting, solar-powered Stirling engine runs all year when the sun is visible ...
Gadget Freak Case #203: Smart Recycle Can
This recycler determines the type of material being entered, by scanning it in or entering it ...
Gadget Freak Case #202: Frankenkindle – An ...
To help his sister, who has cerebral palsy, Glenn Johnson created an easier-to-use Kindle by ...
Gadget Freak Case #201: Plug & Play Sprout Board
Jared Bouck found that off-the-shelf monitor systems were lacking the features he needed and ...
Gadget Freak Case #200: The Sun Lights Up the ...
To provide nighttime safety for his deck, William Grill used a 40W regulator and solar panel to ...
Design Flaw Rusts Rear Mounts
Catching rusted rear mounts on cars before they fail is difficult if the rust is hidden.
Fatigued Controllers Render Washer Useless
After watching the harness break off from the washer controller twice, this owner comes up with ...
HP Printer Is Baked Back to Life
The HP printer died. The owner found surprising success with a home-baked solution.
Why Are USB-A Connectors So Frail?
USBs are the most common PC connectors, yet they are also the most fragile.
Oven Door Is Not Child-Proof
If the oven locks for cleaning, why doesn't it have a child safety lock?
Can You Hear Air Traffic Control Now?
After several years of ground-to-air noise, Sherlock Ohms brought clarity to Air Traffic Control.
Dehumidifier Saved By Oil & a Syringe
Sometimes all you need to fix a broken appliance is oil and a willingness to take things apart.
Case of the Deep-Fried Resistors
One of the key traits of a great engineer is the willingness to try unusual processes to solve ...
Shortcut Saves Time at Plant
A bit of ingenuity can take a burdensome testing job and streamline it with handmade automation.
Battery Sparks Red-Hot Mystery
Even the little 9V battery that we use in our smoke alarms and transistor radios delivers plenty ...
Rebuilding Manufacturing: Fixing the ...
As the debate over how to revive US manufacturing heats up, tax and other proposals are emerging ...
Buying the Logic of Safety
Blogger TJ McDermott recently completed an industrial system requiring a fair amount of safety ...
When Environmental Stress Cracking Strikes
Environmental stress cracking is a common failure mode for plastics, and you may need to do your ...
Petroski on Engineering: Armchair Design & ...
The tray table that folds in half for stowage in the armrest of an airline seat is something ...
What Is Pulse Width Modulation?
All engineers need to know what pulse width modulation is, and why it is so widely used.
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Feb 13 - 17, Sensors


DN Radio
Sponsored by
NEXT UPCOMING BROADCAST
Embedded Angles for Medical Products
February 21, 2pm EST Tuesday
Thanks to embedded electronics, medical devices are getting smaller and smarter than ever. Pacemakers and implantable defibrillators are now able to call physicians. MRIs, CT scanners, and ultrasound machines are gaining mobility. And the venerable Band-Aid may soon be able to detect illnesses ranging from fevers to heart arrhythmias. On February 21, join Design News senior editor Charles Murray for a wide-ranging discussion, "Embedded Angles for Medical Products," which will explore the latest developments in medical electronics. The discussion will examine advances in medical device technology and offer an inside look at the embedded electronics behind it.
February 23, 2pm EST Thursday
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