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19 items tagged "energy"
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![Permalink for '[Video] Transition Telecom'](/themes/lilina/web//media/mark_off.gif)
13:43
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SecDocs
Authors:
Frank Rieger Rop Gonggrijp Tags:
network Event:
Chaos Communication Camp 2011 Abstract: We'll need to come to grips with the challenges that declining oil production and increasing temperatures present. This talk explores positive future scenarios for the world of networking and communications past the great global energy free-for-all. "Business-as-usual" and "surely-they'll-think-of-something" scenarios are increasingly for dreamers. The time of perpetual growth is over and the cracks are beginning to show everywhere. But let's get past doom and gloom: there's a growing movement that acts to prepare themselves and their communities for "energy descent": cold turkey while kicking the oil habit. Too many are stuck thinking the future is either going to be apocalyptic or very much like today. (Both futures conveniently have in common that you don't have to do all that much.) In so-called Transition Towns, groups of inhabitants are working together to rethink the future of agriculture and land-use to effectively re-localize food, goods and services. All over the place, people are thinking, acting and (importantly) having a good time doing so. This talk will explore a number of future scenarios and try to assess the impact on the world of computers, networking and telecommunications. Most people in this transition movement are inspired (but not blinded) by technologies and methods from a time past. Modern communications technology has no set pre-industrial state to fall back on. But it would still be very nice if any future still featured a phone to call the fire brigade, not to mention as much of this internet thing as we can carry. So which technologies are resilient and which are brittle? What can we keep and what do we leave behind as energy consumption of everything becomes a design criterium, business models change, whole economies collapse and some central structures crumble? How do we best prepare for a variety of possible futures? And can we maybe have (even) more meaningful and fulfilling lives in the present by doing so? Needless to say our community has a defining role to play in figuring out the answers to these and other big questions in this field.
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22:56
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SecDocs
Authors:
Gunnar Thöle Jörg Dürre Tags:
science Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: This talk, consisting of five distinct parts, is intended to show the audience how to get electricity without needing a grid connection. It will give information on Which energy sources to use What to power with them What equipment to get How to wire it up And some wishful thinking Participants should be able to assemble their own small-scale energy-generating systems after listening. Renewable energy isn't for wealthy investors only. You can have it, too. In this talk we'll show you how to power your own stuff from the sun, wind and other sources of energy. The talk is divided into 5 different parts: A really short introduction into the available power sources like sun, wind etc. We'll show some pipe-dreams where more hacking is needed to make it work like salt-gradient energy or damming the mediterranean sea. We'll show you how much power you can expect from which source. We'll also show you what affects power output for various technologies (example: Sun needs to be shining for solar power. We'll show you how much sunshine you can expect at your place.) As a follow-up to part 2 we'll show you the amount of power various things need. You can do the math yourself afterwards to see what you can power from your balcony. Building the system, the easy and fully-legal way: Build your own independent grid with optional storage. We'll show what you need for a small-scale solar system independent of the power network. Works well for caravans, camping, gardens and allotments. There will be real solar panels on stage. You will see schematics, parts lists and instructions. We'll give some hints where to aquire the necessary stuff without paying too much. The difficult way: Put your own power into the public grid. We'll show you what you need to do this. This can either make your purse fill up automatically (big installations earning feed-in tariffs) or it can (in theory) make your electricity meter go backwards - but that's not actually allowed. Once the electrical company recognizes what you are doing (and German law requires you to tell them) unfortunately they will install a digial meter. Digital meters will not count backwards like the Ferraris counters do now... The speakers have built and are operating various small-scale power systems and come from an engineering and commercial background.
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22:56
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SecDocs
Authors:
Gunnar Thöle Jörg Dürre Tags:
science Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: This talk, consisting of five distinct parts, is intended to show the audience how to get electricity without needing a grid connection. It will give information on Which energy sources to use What to power with them What equipment to get How to wire it up And some wishful thinking Participants should be able to assemble their own small-scale energy-generating systems after listening. Renewable energy isn't for wealthy investors only. You can have it, too. In this talk we'll show you how to power your own stuff from the sun, wind and other sources of energy. The talk is divided into 5 different parts: A really short introduction into the available power sources like sun, wind etc. We'll show some pipe-dreams where more hacking is needed to make it work like salt-gradient energy or damming the mediterranean sea. We'll show you how much power you can expect from which source. We'll also show you what affects power output for various technologies (example: Sun needs to be shining for solar power. We'll show you how much sunshine you can expect at your place.) As a follow-up to part 2 we'll show you the amount of power various things need. You can do the math yourself afterwards to see what you can power from your balcony. Building the system, the easy and fully-legal way: Build your own independent grid with optional storage. We'll show what you need for a small-scale solar system independent of the power network. Works well for caravans, camping, gardens and allotments. There will be real solar panels on stage. You will see schematics, parts lists and instructions. We'll give some hints where to aquire the necessary stuff without paying too much. The difficult way: Put your own power into the public grid. We'll show you what you need to do this. This can either make your purse fill up automatically (big installations earning feed-in tariffs) or it can (in theory) make your electricity meter go backwards - but that's not actually allowed. Once the electrical company recognizes what you are doing (and German law requires you to tell them) unfortunately they will install a digial meter. Digital meters will not count backwards like the Ferraris counters do now... The speakers have built and are operating various small-scale power systems and come from an engineering and commercial background.
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22:38
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SecDocs
Authors:
Gunnar Thöle Jörg Dürre Tags:
science Event:
Chaos Communication Congress 28th (28C3) 2011 Abstract: This talk, consisting of five distinct parts, is intended to show the audience how to get electricity without needing a grid connection. It will give information on Which energy sources to use What to power with them What equipment to get How to wire it up And some wishful thinking Participants should be able to assemble their own small-scale energy-generating systems after listening. Renewable energy isn't for wealthy investors only. You can have it, too. In this talk we'll show you how to power your own stuff from the sun, wind and other sources of energy. The talk is divided into 5 different parts: A really short introduction into the available power sources like sun, wind etc. We'll show some pipe-dreams where more hacking is needed to make it work like salt-gradient energy or damming the mediterranean sea. We'll show you how much power you can expect from which source. We'll also show you what affects power output for various technologies (example: Sun needs to be shining for solar power. We'll show you how much sunshine you can expect at your place.) As a follow-up to part 2 we'll show you the amount of power various things need. You can do the math yourself afterwards to see what you can power from your balcony. Building the system, the easy and fully-legal way: Build your own independent grid with optional storage. We'll show what you need for a small-scale solar system independent of the power network. Works well for caravans, camping, gardens and allotments. There will be real solar panels on stage. You will see schematics, parts lists and instructions. We'll give some hints where to aquire the necessary stuff without paying too much. The difficult way: Put your own power into the public grid. We'll show you what you need to do this. This can either make your purse fill up automatically (big installations earning feed-in tariffs) or it can (in theory) make your electricity meter go backwards - but that's not actually allowed. Once the electrical company recognizes what you are doing (and German law requires you to tell them) unfortunately they will install a digial meter. Digital meters will not count backwards like the Ferraris counters do now... The speakers have built and are operating various small-scale power systems and come from an engineering and commercial background.
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12:24
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Hack a Day
[Mathieu] just finished analyzing the numbers from a month of solar energy harvesting. You may remember that he was curious to see what kind of energy can be collected from small solar cells used indoors. He built several copies of a test platform which collected data between December 16th and January 16th. First of all, [...]
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6:00
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Hack a Day
Sometimes, changing one little bit of a green hack turns it into a build that wastes as much energy as our gaming rig. [Dr. West]‘s automatic window controller is one of these builds. The good news is the window controller can be easily modified to cut energy costs in the fall and spring. [Dr. West] [...]
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12:01
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Hack a Day
There’s been a lot of stories about arranging solar panels to mimic leaves on a tree, thereby boosting their efficiency. But before reading that story you might want to check out this blog post correcting some flaws in that breakthrough (page is down, here’s a cached version). Before we go any further, we’d like to point [...]
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6:15
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Hack a Day
At this very moment, unseen radio waves are bouncing off almost everything that surrounds you. Emitted by everything from radio and TV stations to cell phone networks and satellites, these waves are full of unharnessed energy. That is, until now. Researchers at the Georgia Tech School of Electrical and Computer Engineering have been working diligently [...]
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5:30
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Hack a Day
The sun is a great source of energy, however, efficiently collecting this energy can be hard to do. One thing that can improve the results of solar use is to actually track the sun’s movement. [fanman1981] hooked up his own homebrew solar tracker using some pretty clever techniques. For this hack he used two Harbor [...]
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4:05
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Hack a Day
[Jay Kickliter] writes in to tell us about his open source energy/power meter. With his buddy [Frank Lynam] they designed a small device that crams into existing power boxes and uses and 8 core propeller (P8X32A) microcontroller to perform true RMS voltage and current measurements using a current transformer. [Frank] and [Jay] don’t stop there. [...]
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15:01
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Hack a Day
In her new element-14 video [Jeri Ellsworth] explains some concepts about “free to you” energy and features the LTC3109EUF, an Auto-polarity, Ultra low Voltage Step-Up Converter and Power Manager, along with the LTC3588EMSE a Piezoelectric Energy Harvesting Power Supply. Using the LTC3109EUF she is able to power a modified Nintendo Entertainment System, and LCD using a [...]
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8:29
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Hack a Day
Before [Steve] realized that it didn’t play nice with his network, he dismantled his Energy Detective TED 5000-G to see what made the device tick. He put together a nice teardown with high-res pictures throughout. Each component of the TED 5000-G is dissected, with the exception of the current transformers, which he claims are pretty [...]
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7:30
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Hack a Day
We know that you can transform the mechanical motions of your body into electrical energy, like when you turn the crank or shake a mechanically-powered flashlight. These types of mechanical motions are quite large compared to many of the day-to-day (and minute-to-minute) actions you perform–for example walking, breathing, and thumb wrestling. What if we could [...]
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10:00
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Hack a Day
[Paul] wanted to have access to renewable energy at his cabin. It’s a relaxing place, nestled in a tall forest that shelters him from the sun and wind. This also means that solar and wind energy aren’t an option. But there is a stream running through the property so he decided to build his own [...]
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12:15
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Hack a Day
We thought we were supposed to have fusion-power for our DeLorean by now but it perhaps urine-power is just around the corner instead. [Gerardine Botte] has been working on creating hydrogen from urine, the world’s most abundant waste product. The voltage needed to break apart the urea atoms is less than half that of water, [...]
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11:00
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Hack a Day
Tobacco and E coli can wreak havoc on your body causing serious damage if not death. Some researchers from the University of California at Berkley have found a way to take these potentially dangerous organisms and make them do our bidding. By genetically engineering a virus they have shown that the two can be used [...]
