Search for "Ray" returned 3332 results

Squarelet - Kooperativ Lernen mit Open Source-Pinboards

• 29 min
• 2018-12-29
• 237
• Markus, mavo and Edgar
35C3: wikipakawg

Detecting informal settlements via topological analysis

• OSM
• 39 min
• 2020-07-05
• 64
• Anni Beukes
State of the Map 2020

freiheit.exe - Utopien als Malware

• Art & Beauty One
• 39 min
• 2025-12-28
• 4.2k
• Christiane Mudra
39C3: Power Cycles

Crypto Wars 2.0 (de)

• IT-Security main
• 58 min
• 2020-12-28
• 4.1k
• Erich Moechel
Remote Chaos Experience

X11 and Wayland: A tale of two implementations

• All about computers ChaosWest
• 21 min
• 2019-12-29
• 3.6k
• raichoo
36C3: Resource Exhaustion

CTF: WTF?! - Capture The Flag für Einsteiger

• Stage HUFF
• 38 min
• 2024-12-27
• 13.6k
• hubertf
38C3: Illegal Instructions

QRtistry

One can create art and beauty with … pixels

• 28 min
• 2015-12-29
• 9.5k
• Henryk Plötz
32C3: gated communities

The Noise Protocol Framework

• 32 min
• 2017-12-28
• 1.8k
• Trevor Perrin
34C3: TUWAT

Intrinsic assessment of OpenStreetMap contribution patterns through Exploratory Spatial…

• Academic StateoftheMap
• 25 min
• 2019-09-22
• 25
• Marco Minghini
State of the Map 2019

Cryptography demystified

An introduction without maths

• Security Main
• 53 min
• 2019-12-29
• 3.4k
• oots
36C3: Resource Exhaustion

Grow your own planet

How simulations help us understand the Universe

• Science Main
• 61 min
• 2019-12-29
• 798
• miosta and caro
36C3: Resource Exhaustion

Geolocation methods in mobile networks

• 30 min
• 2016-12-27
• 2.4k
• Erik
33C3: works for me

Modellierung von Fuzzyness / Wobbliness in Geodaten

• Daten, Datenbanken und Datenprozessierung
• 27 min
• 2024-03-20
• 102
• Florian Thiery
FOSSGIS 2024

Du kannst alles hacken – du darfst dich nur nicht erwischen lassen.

OpSec für Datenreisende

• 57 min
• 2018-12-29
• 46.4k
• Linus Neumann and Thorsten Schröder
35C3: Refreshing Memories

The plain simple reality of entropy

Or how I learned to stop worrying and love urandom

• 60 min
• 2015-12-29
• 18.6k
• Filippo Valsorda
32C3: gated communities

Robot Music

The Robots Play Our Music and What Do We Do?

• 33 min
• 2017-12-29
• 1.1k
• jacob remin and goto80
34C3: TUWAT

Squeezing a key through a carry bit

• 50 min
• 2017-12-27
• 2.1k
• Filippo Valsorda
34C3: TUWAT

A novel application of models of species abundance to better understand OpenStreetMap…

• Academic StateoftheMap
• 28 min
• 2019-09-22
• 30
• Peter Mooney
State of the Map 2019

Building a safe NFC ticketing system

• 30 min
• 2013-12-29
• 1.3k
• bughardy and Eagle1753
30C3

Seidenstraße

The Making of…

• 48 min
• 2013-12-27
• 1.9k
• *m, Jeff Mann, frank and Diani Barreto
30C3

Blackbox Palantir

• Ethics, Society & Politics One
• 57 min
• 2025-12-29
• 31.3k
• Constanze Kurz and Franziska Görlitz
39C3: Power Cycles

Harry Potter and the Not-So-Smart Proxy War

Taking a look at a covert CIA virtual fencing solution

• Security Main
• 35 min
• 2019-12-28
• 7.0k
• Jos Wetzels
36C3: Resource Exhaustion

KIM 1.5: Noch mehr Kaos In der Medizinischen Telematikinfrastruktur (TI)

• Security Zero
• 54 min
• 2025-12-27
• 25.7k
• Christoph Saatjohann
39C3: Power Cycles

Eine typisch österreichische Lösung - die Dirndlkoalition

• Sendezentrum Bühne (Saal X 07) 39c3-deu
• 45 min
• 2025-12-27
• 4.1k
• unsösterreichts.jetzt and Alexander Muigg
39C3: Power Cycles

Why is GPG "damn near unusable"?

An overview of usable security research

• 60 min
• 2014-12-28
• 7.9k
• Arne Padmos
31C3: a new dawn