Hidden Signals · Companion site ← Overview DE·EN
Workbook to the book

All activities

24 hands-on activities, ordered by chapter. Each is meant as a ready-made double lesson — learning goal, materials, step-by-step, worksheet with solutions and an extension. About half run entirely in the browser.

H Hands-on with hardware   S Software / digital   H/S both
M Master extension (advanced)   R Reflection   D Discussion
Chapter 7The Symbiont Tool
7.1The Symbiont AnalyzerS

Analyse a WhatsApp chat for the five roles with the ready-made web edition.

Open interactive →
7.2The Prompt WorkshopS

Have a language model write the analyzer in four steps (vibe coding).

Open interactive →
7.3Symbiont ClassifierM

From word-counting to a language model: fine-tune gbert-base and catch the Leech with Sentence-BERT.

in preparation
Chapter 12The Language of Animals
12.1The Language of the CatS

Classify cat sounds — hissing, purring, meowing (audio AI).

in preparation
12.2Dog and HorseS

Recognise stress and pain from data and video.

in preparation
Chapter 13Plants that Read Us
13.1Day and NightH

Make a 24-hour recording and find circadian rhythms (FFT).

Open lesson →
13.2Plant Emotions with AIH/S

Spectrogram plus a pre-trained model — inference only, no training.

in preparation
Chapter 14Psychohistory
14.1The Mood of the SwarmS

Read sentiment from social-media data.

in preparation
14.2Asimov's PsychohistoryS

Lay collective mood against events (stocks, elections).

in preparation
Chapter 16The Digital Twin
16.1The Twin as an Aggregate — the case of MiaS

Compute the symbiont shares per relationship and see that the twin depends on the person opposite.

Open interactive →
16.2My Digital TwinM

Fine-tune a mini language model on your own texts.

in preparation
Chapter 17A Shared Timeline
17.1Three Kingdoms on One TimelineS

Compare human, animal and plant side by side (Phänomena data).

in preparation
Chapter 19The Open Vault
19.1AI literacy — where are the limits?R

Anyone who has built an emotion recogniser themselves no longer mistakes it for mind-reading.

in preparation