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Michelin to Launch Air-Less Tires Next Week [News]
posted November 15 2014 19:51.20 by Giorgos Lazaridis




We've seen such tires in the past used in space applications, where temperature changes are extreme (-150oC in shadow, +150oC under sunlight), and[...more]

[Via...]    [Link]
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One Year Mosaic of Beijing Pollution Looks as Terrifying as it is
posted November 15 2014 19:23.40 by Giorgos Lazaridis




Life expectancy in Beijing is dropping fast and the reason, the main reason, is pollution. Lung cancer increases dramatically due to the overwhelming air[...more]

[Via: gizmodo]    [Link]
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Remove Rust with Electrolysis [Tips]
posted November 14 2014 20:51.38 by Giorgos Lazaridis




Here is a neat trick to clean your old and rusted tools or other metallic objects without any effort. Electrolysis is the name. A jar with water and plenty[...more]

[Link]
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Those DIY Bicycle Turn Signal LEDs Are... [Project]
posted November 14 2014 20:37.20 by Giorgos Lazaridis




I was saying, Those DIY Bicycle Turn Signals LEDs Are... Cool but totally not my taste. Yeah, safety first, but turn signals on the bicycle are somewhat[...more]

[Link]
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Avago Presented their New Photovoltaic MOSFET Optocoupler-Driver [News]
posted November 14 2014 20:14.50 by Giorgos Lazaridis




If you are working with MOSFET as high capacity switches in DC or (most particular) in AC, then chances are that you are already familiar with the Photovoltaic[...more]

[Via: EDN]    [Link: Avago]
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Humans may be Rescued by Robo-Roaches in the Future [Technology]
posted November 14 2014 19:52.06 by Giorgos Lazaridis




Sounds like science fiction, but take a look in this older post. Let me remind you as a side note that scientists have already come up with a way to guide[...more]

[Via: techcrunch]
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Make Your Own High Power Flyback Transformer [Project]
posted November 14 2014 19:39.32 by Giorgos Lazaridis




When one plans to make a flyback transformer based project, chances are that one thing is always in his mind, and that is POWER! Its like when one boosts[...more]

[Link]
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Understanding Positive and Negative Supply TRIAC Triggering [Theory]
posted November 13 2014 19:50.10 by Giorgos Lazaridis




Very recently I was hired to reverse engineer a commercial dimmer application. After all these years, this was the first dimmer that i found with negative[...more]

[Link]
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This Is The Very First Mechanical Transistor [Engineering]
posted November 13 2014 17:25.51 by Giorgos Lazaridis




Think of this: Is there a mechanical device that operates as a transistor that amplifies force? No! One may confuse a lever or gears with a transistor[...more]

[Link]
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