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rich.pell
Member Since: June 25, 2013
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posted in April 2014

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Power Week-in-Review: 5m Wireless Power Transfer & Low-Cost Ultracaps
News & Analysis  
4/24/2014   2 comments
This week, researchers have demonstrated wireless power transfer over a 5-meter distance, low-cost ultracapacitors have been built from graphene and carbon nanotubes, a current-sensing solution for battery management that uses no shunt resistor, and much more.
Power Week-in-Review: Wristband TE Generator & Solar Cell Efficiency Record
News & Analysis  
4/17/2014   Post a comment
This week, a flexible band-shaped thermoelectric generator that can harvest body heat to power wearables, a solar cell conversion efficiency record using a silicon-based cell of practical size, a multi-topology DC/DC converter, and much more.
Power Week-in-Review: 30s Smartphone Charge, Compact EV Motor Prototype & Class-D Driver
News & Analysis  
4/10/2014   1 comment
This week, a smartphone battery that recharges in 30 seconds, a compact EV motor that weighs 77 kg and fits in a notebook backpack, a Class-D audio driver IC, and more.
Power Week-in-Review: The Ampere Redefined & PV Power Plant in a Box
News & Analysis  
4/3/2014   1 comment
This week, the venerable electrical base unit of current -- the ampere -- may be looking at a definition makeover, a portable solar plant for use in areas without electricity makes its debut, and the introduction of what is claimed as the industry's most efficient ultra-low-power boost regulator for photovoltaic and thermoelectric energy harvesting systems.


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26 comments
As you may recall, the Mighty Hamster (a.k.a. Mike Field) graced my humble office with a visit a couple of weeks ago. (See All Hail the Mighty Hamster.) While he was here, Hamster noticed ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
11 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
11 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
45 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

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