23. Gulaschprogrammiernacht

23. Gulaschprogrammiernacht

Creating QR-Codes out of Chocolate
20.06.2025 , ZKM Medientheater
Sprache: English

Ever wondered how to rickroll your friend with a custom cake? In this talk, I'll show you how to use a 3D printer, a vacuum molder, and a dental vibration table to create custom working QR codes and chocolate bars with readable text out of chocolate.

You will learn the basics of chocolate tempering and vacuum molding along the way to form chocolate in the shape of your desire.

Johannes Bechberger is a JVM developer working on profilers and their underlying technology in the SapMachine team at SAP. This includes improvements to async-profiler and its ecosystem, a website to view the different JFR event types, and improvements to the FirefoxProfiler, making it usable in the Java world. His work today comprises many open-source contributions and his blog, where he regularly writes on in-depth profiling and debugging topics. He also works on hello-ebpf, the first eBPF library for Java.

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