Retiring Nuke means More Fossil Fuel

I was cruising around the web looking for some information on coal employment(don’t ask), and came across an interesting tidbit of news: After 41 years of operation, the Vermont Yankee Nuclear Power Plant  ceased operation and was disconnected from the grid in December of 2014. Continue reading “Retiring Nuke means More Fossil Fuel”

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Hyper Efficient Audio – 100 W from a single battery!

It’s amazing what application specific integrated circuits can do now. I never stop being surprised at what I keep seeing coming out of the pipeline. Audium Semiconductor recently gave me one such surprise with the hyper efficient AS1001 amplifier that can deliver 100 watts peak power, from a 1.5 volt (read single battery) power supply. Continue reading “Hyper Efficient Audio – 100 W from a single battery!”

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Driving the Nissan Leaf

The Nissan Leaf is an all electric car for the masses. On paper, the car seems to be a much more realistic proposition than cars like the Tesla or the Fisker. It’s a small 5 seat car, with a range of 100 miles and a target price somewhere a bit above $25k. For many, this is a price point that is manageable, even in these tough times. Continue reading “Driving the Nissan Leaf”

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Battery fill up via pump?

Turns out the crafty Germans are at it again! As reported in the Fraunhofer Research News recently, a group there is working with something called a redox flow battery. Basically it uses a liquid instead of a solid to store the charge. This isn’t new, but the team has brought the energy density up to that of Li-Ion batteries, and that is new! Continue reading “Battery fill up via pump?”

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RoHS & COTS hit the DOD – Damned Wiskers!

So, I was reading about some new GPS guided 155mm howitzer shells (think your Garmin Nuvi can take getting shot out of a cannon?), really interesting technology in it’s own right, when I came across an article on some conflicts between wanting to do right and wanting to be reliable. Continue reading “RoHS & COTS hit the DOD – Damned Wiskers!”

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