DIGISIM.OBSERVATORY · category 22 — mind
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category 22 · mind

Watch a machine learn.

The era runs on learning machines, yet the learning itself stays hidden behind an API. Here it is in the open, every step on screen and running entirely in your browser: a neural net carving a decision boundary in real time, an agent stumbling into a reward, attention deciding which word to look at, noise resolving into structure under a diffusion model. No cloud, no keys — just gradients, policies and probability, drawn as they happen.

apps live 0
in design 0
opened 05·31
MIND-001 · BUILT ready
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Self-Organizing Map

A Kohonen lattice that crumples, stretches, and drapes itself over any data distribution — topology discovery made visible.

somkohonenunsupervisedtopology
2026-05-31 /mind/self-organizing-map
in this section · 11 apps
MIND-002 ready
Q-Learning

Watch a tabular RL agent bootstrap a navigation policy from scratch — stumbling through traps, discovering reward, and etching optimal arrows into every cell of the grid.

reinforcement-learning /mind/q-learning
MIND-003 ready
Perceptron

Watch the 1958 Rosenblatt neuron carve a decision line through your data, one correction at a time.

perceptron /mind/perceptron
MIND-004 ready
Neural Playground

Watch a hand-rolled neural network bend its decision boundary in real time as it learns to separate 2D point clouds through backpropagation.

neural-network /mind/neural-playground
MIND-005 ready
Markov Babble

The ancestor of GPT — predict the next token from the last few and watch coherence emerge as order grows.

markov /mind/markov-text
MIND-006 ready
K-Means

Watch Lloyd's algorithm carve a scatterplot into living Voronoi territories as centroids hunt down their clusters in real time.

clustering /mind/k-means
MIND-007 ready
Hopfield Memory

Watch a noisy or half-erased pattern snap back to a stored memory as a network of neurons rolls downhill into an attractor.

hopfield /mind/hopfield
MIND-008 ready
Optimizer Race

Five gradient-based optimizers race down the same loss landscape simultaneously, revealing why Adam dominates vanilla SGD in speed, stability, and saddle-point escape.

gradient-descent /mind/gradient-descent
MIND-009 ready
Word Embeddings

Roam a hand-crafted semantic space where king − man + woman snaps exactly to queen, and clusters of meaning bloom in neon colour.

embeddings /mind/embeddings
MIND-010 ready
Decision Tree

Watch a CART classifier carve your 2-D data into axis-aligned regions — one information-maximising split at a time.

decision-tree /mind/decision-tree
MIND-011 ready
Multi-Armed Bandit

Watch ε-greedy, UCB1, and Thompson Sampling race to find the best slot machine arm — live cumulative regret plotted as the algorithms explore and exploit.

bandit /mind/bandit
MIND-012 ready
Attention

Watch a transformer decide what to look at — softmax(QKᵀ/√d) made visceral through live heatmaps and bipartite attention flows.

transformer /mind/attention
mind · category 22 ← back to observatory