Daniel Antonio Porragas Verde

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Scratch-built 3D printer shows rock-solid performance

These days it’s super-easy (not super-cheap) to go out and buy a 3D printer. But if you’ve got the mad skills like [Mario Lukas] maybe you can build …

Selecting an Arduino!

Selecting an Arduino!. There are many different Arduino and Arduino Compatible microcontroller boards. Which one is right for your needs? This guide …

Heartbreaking Sci-Fi Short Film - EXPO

Who invented clothes? A Palaeolithic archaeologist answers

"Who invented clothes?" It's one of those brilliant questions that children ask, before they learn that the big things we wonder about rarely have …

How can we boost distributed solar and save utilities at the same time?

Yesterday I wrote that solar PV and other distributed-energy technologies pose a radical threat to U.S. power utilities and the centralized business …

DIY Home Decorating

Distributed energy: Driving the ghosts out of the machine

The folks over at Platts have a feature on distributed energy called “the ghost in the machine.” That title is ironic, for reasons I’ll get into in a …

LED Streetlight System Cuts Down On Light Pollution And Improves Energy Efficiency

<b>Published on</b> April 29th, 2013 | <i>by James Ayre</i><p>6<p>April 29th, 2013 by <b>James Ayre</b><p>A new LED street lighting system that greatly improves energy efficiency …

In Tomorrow's Wars, Battles Will Be Fought With a 3-D Printer

A 3-D printed drone is shot down by insurgents near a far-flung base manned by the U.S. military. Within hours, a small lab dropped onto the base by …

25 Inventive DIY Phone Cases

A while back we featured our favorite cases for folks who love to make things, but what about cases you can actually make? Many of these cases are specific to iPhone but the methods could easily be applied to all sorts of different phone cases, tablet covers, and the like. Here are 25 inventive …