December 11, 2009

Complex Models Make Cars Better
Teaching Toys
Tricks of the Trade for Driving Stepmotors
New Generation of MAVs Take Flight
The Argument for Stainless Steel

December 11, 2009

Editorial Comment

Leland Teschler's Editorial: Take Back Your Privacy

It has become common practice among people requesting information online to hide their identities, and aggressive sales tactics are the reason.

Letters 12/11/2009

A reader in the robotics industry takes umbrage at our headline about robots on the attack.

Aluminum Cans: A Lesson in Product Development

Despite its simplicity in appearance and use, the aluminum beverage can embodies several technological innovations that illustrate the importance of taking a comprehensive approach to product design.

Sustainable Engineering

Companies interested in boosting their green credentials might take a lesson or two from NewAge Industries, a supplier to the pharmaceutical and biotech industries and manufacturer of plastic tubing and rubber hose.

Backtalk 12/11/2009

It’s that time again. The 2009-2010 Extreme Redesign Challenge is underway. Sponsored by Dimension 3D Printing, a div. of Stratasys, Eden Prairie, Minn., the Challenge is looking for creative minds who believe they have a great idea to improve an everyday product.

Vantage Point

Engineers Need Electrohydraulic Standards

The IEC 61131 Standard guides engineers in designing and operating electrohydraulic industrial controls by standardizing the programming interface.

Careers

More Women Leave Engineering …:But Earn Degrees at the Same Rate as Men; How to Break Bad News; Screaming bosses

More women leave the engineering profession…:…But women engineers earn degrees at the same rate as men: How to break bad news:Screaming bosses have fragile egos

Berke on Safety

Missing Warnings, Instructions, and Protections Factors in Fall from Concrete Pump Boom

A worker dislodging a blockage in a concrete pump boom was knocked 6 ft to the ground when the concrete came loose

Orr on Engineering

Let’s Move Beyond Modeling

The field of engineering automation needs a new generation of risk takers with fresh ideas and vision.

Features

Editors’ Picks for Educational Toys

Editors’ picks for educational toys

Virtual Modeling Helps Build Better Cars

Simulation software supports many areas of automotive design.

The Military is Beginning to Rely on Small Unmanned Drones or Micro-Air Vehicles (MAVs) for Scouting and Reconnaissance Missions

The military is beginning to rely on small unmanned drones or micro-air vehicles (MAVs) for scouting and reconnaissance missions, especially in urban areas.

Comparing Stainless Steel and Other Metals

Stainless steels have their place, but they are not the right fit for every application.

Limit Current to Boost Stepper-Motor Torque

By operating stepper motors at higher voltages, step rates can rise. But higher voltages need current limiting to prevent stepper motor burnout.

Scanning the Field

Aluminum Forgings from Alcoa Help Joint Strike Fighter Lose the Pounds

Aluminum forgings from Alcoa help Joint Strike fighter lose the pounds

Medium and Heavy-Duty Rotary Tensioners from Fenner Drives Keeps Chains and Belts in Line

Medium and heavy-duty rotary tensioners from Fenner Drives keeps chains and belts in line

News

Sacrificial PTFE Boosts Compressor Efficiency

Fluorosint 500 enhanced-PTFE combines sacrificial, abradable sealing with a coefficient of linear expansion approximating that of aluminum for use in a high-speed compressor shroud.

High-Efficiency Gearbox Upgrades Pearl Harbor Operations

New planetary speed reducers produce more power with smaller motors.

Oxygen Regulator Relies on Bellows from Servometer to Keep Pressure Balanced in Oxygen Mask and G-Suits for Navy Pilots

Oxygen regulator relies on bellows from Servometer to keep pressure balanced in oxygen mask and g-suits for Navy pilots.

Looking Back

Looking Back 12/11/2009

The SmartQuill computer, developed by BT Laboratories in England, has no keyboard.

December 11, 2009

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