Technology for a sustainable future

Geek-blog about renewable energy, computers and science in general, with a lot of DIY tutorials.

31 October, 2014

How to Refill toner cartridges from laser printer

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Refill toner cartridges from our laser printer can save over 80% on printing costs while contributing to reducing waste that is difficu...
1 comment:

Spreading the heat from a smokestack with very little money

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Low heat with heat removal by natural draft failing to place the drywall In this post I will discuss the "invention" that h...

How to buy bulbs: Look at lumens and light-degrees

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HOW TO BUY LIGHT BULBS: LEARNING ABOUT  LUMENS  IS A BRIGHT IDEA The lamps are improving efficiency;   Watts measure them no longer works...
30 October, 2014

How to weld aluminum and other nonferrous alloys easily with Durafix

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Thank  Durafix  a zinc-based alloy and other materials, have managed to repair a bike aluminum BH we had forgotten in the attic for having...

Your smartphone autorestarts, you lose data? Possible problem, internal memory damaged on your smartphone

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I had a Samsung Galaxy SCL i9003  began to malfunction;   I just restarted, lost contacts, program settings, etc.   After searching the ...

How to extend the battery life of your laptop without losing power: Reduce the processor voltage

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Earlier we saw how to extend the battery life (and the computer to overheat less, also extending its life)  tweaking the settings of the ...
29 October, 2014

DIY: Turn your bike into e-bike for yourself - Step 3/5: Preparing the box to house batteries and controller

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Table prepared to house the batteries that drive us If you do not want complications,  you can always put a rear rack on the bike, and t...
3 comments:

Changing the display cable on a laptop

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Acer Aspire 5930G with the display cable fixed Earlier I commented  that in several ACER laptops the picture failed by the cable, and t...

Sending the warmth of a fireplace to the radiators with a coil

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The cauldron of  fireplaces Sierra  (Granada) With the onset of winter, and increasing energy bills (gas, electricity) should  look ways...
5 comments:

DIY: Turn your bike into an e-bike for yourself - Step 2/5: Mount the engine and disc brakes on it

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2: Putting  the engine  on the bike In this post I will explain how I placed the wheel with the engine  kit on the bike, but before goin...
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