Termin:Chaotic-Congress-Cinema-28C3 Nr. 09

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Chaotic Congress Cinema Nr. 9


07.03.2012 20:00


07.03.2012 22:00

Needs to be there, but does not need to be seen by a visitor Yes

Wir schauen uns die Aufzeichnung von Congress-Vorträgen an. Du bist herzlich eingeladen, in den Clubräumen im Mexikoring 21 aufzutauchen und mit uns die Talks anzuschauen und zu diskutieren. Es wird Getränke und Knabberkram zu moderaten Preisen geben. Falls Du kein CCC-, CCCHH- oder Attraktor e.V.-Mitglied bist, macht das überhaupt nichts: Alle Gäste sind gern gesehen. :-)

Weitere Informationen unter Chaotic Congress Cinema.

Power gadgets with your own electricity

escape the basement and make the sun work for you

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:

  1. . 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.
  1. . 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.)
  1. . 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.
  1. . 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.
  1. . 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.

Your Disaster/Crisis/Revolution just got Pwned

Telecomix and Geeks without Bounds on Security and Crisis Response

Software is becoming more and more important in organizing response to all kinds of crises, whether that means activists responding to an unjust government or aid workers helping with the aftermath of a disaster. Security often isn't the first thing people think about in these situations -- they have work to get done, just like the rest of us, and many of these tools are built in the heat of the moment. In a crisis, a lack of security can make a small disaster into a big one. In this talk, we'll look at real world experiences of the security and privacy problems in the field, and how to fix them, at both large and small levels.

People are using technology to try to save the world, whether in the disaster response world, or in activist or revolutionary work. Many of the people involved are not technologists. Many of the people building tools for these situations do not understand security. This is a problem because: Privacy issues for disaster response Creepy uncle Creepy government agency Gaming the aid process with crowdsourced reports Activists and revolutionaries are subject to direct attack, coercion, harrassment, etc. A few problems: People are using generic tools that don't provide the guarantees they need People are writing special-purpose tools without understanding the problem People are writing tools which intentionally subvert their users People don't understand the problems they're causing with how they use tools To fix this: Build specialist tools with a deep understanding of the real problems Get the help you need to make tools secure Ask for help Help disaster/activist ICT projects if you know your security Build security into generic tools, even if you're not planning on revolutionaries using them, because you never know when you're going to need to overthrow a government on twittter. Learn/teach about security and what it takes to use existing tools well Build a security culture in your organization


+ `Telecomix <http://telecomix.org/>`__ + `Geeks Without Bounds <http://gwob.org/bridging-the-gap-between-


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