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What Would You Print?

July 18, 2014 11:45 am | by Chris Fox, Editor | Comments

We have all come to the understanding that as 3D printing is becoming more prevalent in the mainstream consumer market, it is becoming even more ubiquitous in the engineering office (if it wasn’t already necessary). Even with this insight ...

How to drive LEDs with power factor correction in a single stage

July 16, 2014 1:47 pm | by Brian King, Texas Instruments, www.ti.com | Texas Instruments | Comments

A PFC-SEPIC converter can be controlled using a traditional PFC-boost controller. An important characteristic of the SEPIC is the lack of isolation.  This limits the use of this topology to applications that don’t require safety isolation.  Think about applications that are completely sealed with no user-accessible energized parts, like street lights and high-bay lighting.

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RocketSkates travel 12 mph, weigh 7 lbs.

July 15, 2014 8:42 am | by Melissa Fassbender, Managing Editor, PD&D, @melfass | Comments

As a startup, ACTON encourages a community of innovators and thinkers to become a part of their projects, which is why the company has turned to Kickstarter to launch their latest product, the RocketSkates – and they’ve already raised more than $200,000....

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Why contraception by remote control is a troubling idea

July 14, 2014 4:08 pm | by Chris Warner, Executive Editor | Comments

Forget about remembering to take a contraceptive pill. In just a few years, keeping track of your remote control may be as essential to family planning as it is to watching TV. MicroCHIPS, a small, Massachusetts company with backing from Bill Gates plans to bring an implantable contraceptive chip that can be turned on or off via remote control to market as early as...

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The first guided .50-caliber bullets

July 14, 2014 2:46 pm | by Jason Lomberg, Digital Editor | Comments

Snipers have to take numerous factors into account, including the terrain, weather, wind-resistance, and over long distances, even the curvature of the Earth — at 1,000 yards, the Coreolis Effect will alter a bullet’s trajectory by about .5 moa (Minute of angle). But until now, we haven’t been able to intentionally alter the course of a bullet....

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Why American manufacturing is vital to future prosperity

July 14, 2014 1:59 pm | by Hillary Schaub and Darrell M. West, Brookings Institution | Comments

On Wednesday, July 9 Governance Studies hosted the 3rd annual John White, Jr. Forum on Public Policy. The topic was Regional Manufacturing Hubs in the US, and we heard from a number of different experts. As noted in a recent White House report, the manufacturing industry is growing, but there is still much work to be done....

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Hardware obsolescence

July 11, 2014 1:08 pm | by Michael Carter, Sabtech | Comments

Change in electronic technology is accelerating throughout all industries. Hardware technology goes out of manufacture because of lack of demand. Lifetime buys to address obsolescence are shortsighted. The solution is to design out technology going obsolete before it affects product availability....

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How to drive innovation & collaboration in engineering

July 9, 2014 12:57 pm | by Louise Rainone, Contributor | Comments

What happens when you bring 1,500 software and hardware entrepreneurs and thought leaders to San Francisco to talk about the future of the Internet of Things? Complete and utter excitement about the future of our connected world, and where we are going to be in just a matter of days and months....

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IEEE 802.3bt: Not all detection schemes are equal

July 9, 2014 10:21 am | by David Abramson, Texas Instruments | Texas Instruments | Comments

Can you safely apply power to equipment connected to a PoE-enabled switch when performing detection on all four pairs in parallel? In order to answer that question, let’s look at some of the consequences of detecting PDs on all four pairs (also referred to as both alternatives) in parallel.

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The War on Error

July 8, 2014 2:17 pm | by Craig Jones, VP Global Supports Services, PRISYM ID | Comments

Product recall is a key issue for the global medical devices industry. With expensively manufactured devices, as well as hard-earned brand reputations, routinely destroyed in the wake of a recall notice, the costs are high; productivity, profitability and speed to market are blown apart, while patient care also takes a hit....

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Customization as standard

July 7, 2014 1:13 pm | by Hitaltech | Comments

As design engineers are pushed by marketing to design an aesthetically pleasing product which can be differentiated from the competition, they are increasingly facing a situation where a standard, off the shelf enclosure no longer meets their requirements....

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The Grim Reaper flies ... with help from a drone

July 7, 2014 10:54 am | by Jason Lomberg, Digital Editor | Comments

You may have seen the viral video making its rounds — the mythical entity otherwise known as the Grim Reaper, the personification of Death, flies around, scaring the s*** out of unwitting bystanders. Is the Apocalypse nigh at hand? Is the Angel of Death here to claim human souls? Well, not quite....

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Letters to the Editor: The societal risks of self-driving cars

July 1, 2014 2:20 pm | by Editor, WDD | Comments

Recent advancements in wireless technologies are not only leading to exciting and innovative car designs, but are also changing the ways in which we travel. As exciting as these new technologies may be, some have a few concerns of the risks involved with such advancements....

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Are electric cars ready?

July 1, 2014 12:43 pm | by Matt Kelland, Engineerjobs.com | Comments

Are electric cars ready to replace internal combustion models? Which problems remain to be solved, who’s working on them… and are they hiring? Longwood, Florida, isn’t the most exciting, upmarket suburb of Orlando. Yet, every day, people drive for miles to visit a tiny showroom on 17/92....

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When is a TV not a TV?

July 1, 2014 8:35 am | by Karl Stephan, Consulting Engineer, Texas State University, San Marcos | Comments

When the U. S. Supreme Court says so, that's when. Last Wednesday, June 25, the Court issued a split decision (6-3) against Aereo, a provider of over-the-Internet broadcast TV service which used a unique technology to get around the requirement to pay retransmission fees to program originators, as cable TV companies do....

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