APLAB.ACADEMY · INTERACTIVE LEARNING INSTRUMENTS
FIG. 01 — THESIS

Master the
fundamentals.
Through interaction.

Most ML courses ask you to read formulas and watch videos. Here, every lesson is built around a working instrument — a thing you can poke at while you read. Build intuition first, then the math, then the code.

BUILT BY AP LAB ↗EST. 2024EN · RU · ZH
FIG. 01Multi-Head Self-Attention — try a token
INTERACTIVE
INPUT TOKENS · CLICK TO QUERY
ATTENTION FROM "sat" — HEAD 0
5
35
40
15
3
1
1
The
cat
sat
on
the
mat
.
ATTENTION HEADS
OBSERVATION
This head attends to nearby tokens — a positional pattern.
Figure 1.Live preview from the Transformer Explorer. Click a token, switch heads, and watch the attention pattern change.
§02 · METHOD
Connected Learning, not linear lectures.
Four passes through every concept. Each pass deepens what you already understand.
I.
INTUITION
See it move.
Start with a visualization you can manipulate. No equations yet — just notice patterns.
interact
II.
THEORY
Then formalize.
Once intuition is in place, the math reads as a description of what you already saw.
derive
III.
CODE
Build it yourself.
Implement the concept in a runnable environment. Break it. Fix it. Own it.
execute
IV.
CONNECTIONS
Where else does this live?
Every concept links to its appearances elsewhere — the knowledge graph, not a track.
navigate
FIG. 05 — INVITATION
Reading is one thing.
Operating is another.
Start with a free course. Premium unlocks the advanced tracks and full source for every instrument.