Currently showing items 1 to 25
Heading Off a Kilowatt Crunch
With the stroke of a pen, legislators have forced electric motors to get more efficient.
Green Technology: More-Efficient Motors
Recent legislation forces motors to use electricity in a more miserly way.
Green Technology: How to power an energy-efficient light
New lamps are more efficient, but what about the electronics? Designers need to learn a few new tricks about driving LEDs and CFLs.
Top tips on squelching electrical noise
Judicious component layout plays a large role in immunizing test and control systems against electrical interference.
ABCs of Refrigeration Pressure Sensing
Sealing techniques figure heavily into what technology makes sense in different portions of the refrigeration cycle.
Leland Teschler's Editorial: Kids Like Technology. Now Work on the Parents
I learned something right off the bat on a recent trip to a local high school: I should have brought a lot more engineering magazines.
Berke on Safety: How to Mistreat a Hair Dryer
“You could drop it into water.” “You could drop it on the floor and crack the plastic housing.”
Leland Teschler's Editorial: The Engineering “Extremist” Mindset
Do engineers have a “mindset” that makes them prone to become Islamic terrorists?
At the Top of Their Game
Engineers aspire to change the world with their work. Here are some who did.
Dream Jobs - Who’s Got Them and How to Get One
As part of our annual salary survey, readers tell us what the ideal career looks like.
Berke on Safety: The Case of the Flaming Hair Dryer
Hair-dryer users have reported fire shooting out of the handle or the snout end of their hair dryers.
Leland Teschler's Editorial: How Not to Make Engineering Appeal to Kids
Programs that introduce engineering to school children make headlines today.
Cut the Lights
Not religious about shutting off room lights? A new breed of wall switch will do it for you.
Is Mechatronics Simulation Ready for Machine Builders?
A new study, “System Design: New Product Development for Mechatronics,” implies it’s make-or-break time to get on board with design simulation tools.
Leland Teschler's Editorial: The wrong message for Engineering Week
Last month’s Engineering Week was supposed to be a grand attempt at encouraging students to pursue careers in technical fields.
Berke on Safety: Nonflammable Tape Burns for Lack of a Hazard Analysis
In response to market demand, a tape manufacturer modified its most popular electrical tape to make it fire retardant.
No Time to Lose
There are tricks of the trade to fielding embedded systems quickly.
Leland Teschler's Editorial: Want to Compete Globally? Education isn’t Enough
You may not know Vivek Wadhwa, but you probably have heard about some of his research.
Berke On Safety: The Forgotten Part Of Design
I work with an ergonomics expert who has a Ph.D. in
experimental psychology and 20-years experience in
human factors.
Scanning For Ideas: Binoculars With Two Magnifications
The Duovid line of binoculars from Leica Camera AG based in Solms, Germany (leicacamera.com), gives users two levels of magnification.
Scanning For Ideas: Rotating Hall-Effect Sensor
The 9360 noncontact Halleffect rotary sensor from Duncan Electronics, Irvine, Calif. (beiduncan.com), provides 360° of absolute position feedback and infinite rotation.
Lighting the Way for Vision
Proper lighting is the key to useful machine vision.
Product Spotlight: Ultrasonic Level Sensor
The Madisonic U4359 ultrasonic sensor continuously measures levels in small tanks.
Leland Teschler's Editorial: Automakers are Now Officially in the Green Camp
Those of us who have attended the big Detroit auto show a few times have come to know the drill characterizing the typical introduction of a new model to the press.
Sensor Sense: Piezoelectric Force Sensors
Some materials generate an electric charge when placed under mechanical stress.