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PODCAST

Chaos Computer Club - recent events feed (high quality)

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:29:53

Teckids – eine verstehbare (digitale) Welt (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

Die Teckids-Gemeinschaft bringt Kinder, Jugendliche und Erwachsene zusammen, um gemeinsam aktiv für eine verstehbare (digitale) Welt zu sein. Bei Teckids geht es nicht "nur" um Technikbasteln und Programmieren mit Kindern, sondern darum, mit anderen, für andere, bei Events und gesellschaftlich aktiv zu werden. In letzter Zeit haben wir viele Projekte dafür unternommen. Unter anderem haben wir den neuen Themen-Slot "Jung und überwacht" bei den BigBrotherAwards 2025 gestaltet und bereiten

00:34:57

BE Modded: Exploring and hacking the Vital Bracelet...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

The Vital Bracelet series is an ecosystem of interactive fitness toys, content on memory chips, and apps that talk via NFC. In this talk, we'll explore the hardware and software of the series, from its obscure CPU architecture, to how it interacts with the outside world, from dumping OTP ROMs and breaking security, to making custom firmware. The Vital Bracelet series, active from 2021 to 2024, was a line of toys that revolved around a number of fitness bracelets that encouraged exercise by raising

00:40:23

What Makes Bike-Sharing Work? (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

Bike- and e-bike-sharing promise sustainable, equitable mobility - but what makes these systems successful? Despite hundreds of cities operating thousands of shared bikes, trip data is rarely public. To address this, we built a geospatial analysis pipeline that reconstructs trip data from publicly accessible system status feeds. Using this method, we gathered **43 million km** of bike-sharing trips across **268 European cities**. Combined with over **100 urban indicators** per city, our analyses

00:36:38

Celestial navigation with very little math (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

Learn how to find your position using a sextant and a custom slide rule, almost no math required! Since the dawn of time people have asked themselves: where am I and why am I here? This talk won't help you answer the why question, but it will discuss how determine the where in the pre-GPS age of sextants, slide rules and stopwatches by taking the noon sight, aka the meridian passage. The usual way to find your position using the Sun requires a large almanac of lookup tables and some challenging

00:40:19

Hacking Karlsruhe - 10 years later (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

"Wir gehen nach Karlsruhe!“ – das klang vor zehn Jahren nach Aufbruch und juristischem Hack. Heute ist klar: Strategische Prozessführung ist kein Sprint, sondern ein zähes, manchmal frustrierendes Dauerprojekt. In diesem Talk ziehen wir Bilanz: Was haben wir mit zivilgesellschaftlichen Verfassungsbeschwerden im Bereich Technologie erreicht – und wo sind wir gescheitert? Welche Fehler würden wir heute vermeiden, welche Wege waren richtig? Und was bedeutet es, wenn das höchste deutsche Gericht

00:37:55

a media-almost-archaeology on data that is too dirty...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

when datasets are scaled up to the volume of (partial) internet, together with the idea that scale will average out the noise, large dataset builders came up with a human-not-in-the-loop, cheaper-than-cheap-labor method to clean the datasets: heuristic filtering. Heuristics in this context are basically a set of rules came up by the engineers with their imagination and estimation to work best for their perspective of “cleaning”. Most datasets use heuristics adopted from existing ones, then add some

00:37:35

Design for 3D-Printing (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

3D-Printers have given us all the unprecedented ability to manufacture mechanical parts with a very low barrier to entry. The only thing between your idea and its physical manifestation is the process of designing the parts. However, this is actually a topic of incredible depth: Design engineering is a whole discipline to itself, built on top of tons and tons of heuristics to produce shapes that are functional, strong, and importantly: well-manufacturable In this talk, I will present the rules for

00:37:43

The Museum of Care: Open-Source Survival Kit...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

The talk is about the ideas behind setting up the David Graeber Institute and the Museum of Care. The Survival Kit Collection brings together collectives developing open source "social technologies" —spirulina farms, self-replicating 3D printers, modular housing, low-cost water systems, and ... art and education. In 2019, together with David Graeber, we held the first workshop about the Museum of Care at CCC to reimagine the relation between freedom, technology and value. Over these 6 years, the

01:59:05

Lightning Talks - Tag 3 (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

Lightning Talks - Tag 3 - **Lightning Talks Introduction** - **"Oma, erzähl mir von der Zukunft" oder: Wie wir weiter interessante Sachen machen, ohne den Planeten zu ruinieren 🌱** — *EstherD* - **Don't abuse the ecosystem** — *michele* - **The Climatepoetry.org video tool** — *Magnus Ahltorp* - **Neo-Kolonialismus & Katzenbilder - Installation zur Lieferkette von GenAI** — *Stefan, Yannik & Rike* - **Build social inventories with StashSphere** — *Maximilian Güntner* - **Invitation to the

00:39:04

Greenhouse Gas Emission Data (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

Data about greenhouse gas emissions, both from countries and individual factories, is often publicly available. However, the data sources are often not as accessible and reliable as they should be. EU emission databases contain obvious flaws, and nobody wants to be responsible. Which factory in my city is the largest emitter of CO2? Which industrial sector is responsible for the largest share of a country's contribution to climate change? It should not be difficult to answer these questions. Public

01:31:08

GPTDash – Der Reverse-Turing-Test (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/29

KIs (bzw. LLMs) wirken immer menschlicher. Schon längst ist es schwer bis unmöglich zu erkennen, ob ein Text von einer KI oder einem Menschen geschrieben wurde. Maschinen dringen immer mehr in den menschlichen Diskurs ein. Wir wollen das nicht länger hinnehmen und drehen den Spieß um. In unserem Reverse-Turing-Test schlüpfen die Teilnehmenden in die Rolle einer KI und versuchen so robotisch-menschlich wie möglich zu klingen. In einer anschließenden Blindstudie prüfen wir, wer sich am besten unter

00:40:04

The Small Packet of Bits That Can Save (or...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

The Emergency Alert System (EAS) and its SAME (Specific Area Message Encoding) protocol are public alerting technologies that broadcast short digital bursts over VHF triggering emergency messages on millions of receivers across North America. In Mexico, this technology was integrated into the Seismic Alert System (SASMEX) which more than 30 million people in the central part of the country rely on to prepare for frequent earthquakes. While new alerting technologies have emerged, the EAS-SAME

00:37:13

Reverse engineering the Pixel TitanM2 firmware (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

The TitanM2 chip has been central to the security of the google pixel series since the Pixel 6. It is based on a modified RISC-V design with a bignum accelerator. Google added some non standard instructions to the RISC-V ISA. This talk investigates the reverse engineering using Ghidra, and simulation of the firmware in python. I will discuss the problems encountered while reverse engineering and simulating the firmware for the TitanM2 security chip, found in the Google Pixel phones. I'll discuss

00:35:57

Code to Craft: Procedural Generation for the Physical...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Join bleeptrack for a deep dive into the fascinating world of procedural generation beyond the screen. From stickers and paper lanterns to PCBs, furniture, and even physical procedural generators, this talk explores the challenges and creative possibilities of bringing generative projects into tangible form. In this talk, I will share practical insights from developing procedural generation tools for physical objects: ranging from stickers and paper lanterns to printed circuit boards and even

00:38:28

51 Ways to Spell the Image Giraffe: The Hidden...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Generative AI models don't operate on human languages – they speak in **tokens**. Tokens are computational fragments that deconstruct language into subword units, stored in large dictionaries. These tokens encode not only language but also political ideologies, corporate interests, and cultural biases even before model training begins. Social media handles like *realdonaldtrump*, brand names like *louisvuitton*, or even *!!!!!!!!!!!!!!!!* exist as single tokens, while other words remain fragmented

00:39:24

Xous: A Pure-Rust Rethink of the Embedded Operating...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Xous is a message-passing microkernel implemented in pure Rust, targeting secure embedded applications. This talk covers three novel aspects of the OS: hardware MMU support (and why we had to make our own chip to get this feature), how and why we implemented the Rust standard library in Rust (instead of calling the C standard library, like most other Rust platforms), and how we combine the power of Rust semantics with virtual memory to create safe yet efficient asynchronous messaging primitives. We

00:34:35

When Vibe Scammers Met Vibe Hackers: Pwning PhaaS...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

What happens when AI-powered criminals meet AI-powered hunters? A technical arms race where both sides are vibing their way through exploitation—and the backdoors write themselves. In October 2025, we investigated Taiwan's fake delivery scam ecosystem targeting convenience store customers. What started as social engineering on social media became a deep dive into two distinct fraud platforms—both bearing the unmistakable fingerprints of AI-generated code. Their developers left more than just bugs:

00:40:03

How To Minimize Bugs in Cryptography Code (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

"Don't roll your own crypto" is an often-repeated aphorism. It's good advice -- but then how does any cryptography get made? Writers of cryptography code like myself write code with bugs just like anyone else, so how do we take precautions against our own mistakes? In this talk, I will give a peek into the cryptographer's toolbox of advanced techniques to avoid bugs: targeted testing, model checking, mathematical proof assistants, information-flow analysis, and more. None of these techniques is a

00:34:33

Machine Vision – Vom Algorithmus zum Baumpilz im...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Milliarden von Kameras produzieren täglich Bilder, die zunehmend von Maschinen analysiert werden. In dieser Lecture Performance beleuchten wir die Entwicklung des maschinellen Sehens – von den frühen algorithmischen Ansätzen bis zu den heutigen Anwendungen – und schauen, wie verschiedene Künstler:innen diese Technologien nutzen und reflektieren. Anhand der beiden Arbeiten „Throwback Environment” und „Fomes Fomentarius Digitalis” betrachten wir die Nutzung des maschinellen Sehens in einem

00:41:50

Textiles 101: Fast Fiber Transform (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Textiles are everywhere, yet few of us know how they’re made. This talk aims to give you an overview over the complete transformation from fiber to finished textile. We'll be exploring fiber properties, spinning, and techniques like weaving, knitting, crochet, braiding, and knotting, followed by finishing methods such as dyeing, printing, and embroidery. You’ll learn why not only fiber but also structure matters, and how to make or hack textiles on your own without relying on fast fashion or

1,551 results

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