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📘 Keep transformer from meaning RNN clone

Transformers replace recurrent step-by-step memory with parallel attention. Self-attention, heads, and positions are the mechanism — not a renamed RNN.

3
lessons
~15 min
to learn
Adults
level
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What you’ll learn

  1. Why attention replaced stepsExplain why attention replaced recurrent bottlenecks.Parallel routing vs step-by-step state.
  2. Heads, positions, stacksDescribe heads, positions, and stacks.Multi-head attention and order signals.
  3. What the name actually meansKeep the transformer name tied to mechanism.Paper claim over branding.

Grounded in trusted sources

  • Vaswani et al. (2017), Attention Is All You Need
  • Illustrated transformer / attention primers
  • Encoder-decoder vs decoder-only overviews
  • Multi-head attention teaching notes
  • Positional encoding primers
  • Compute/context-length cost notes

Every Wunder lesson is built from real, reputable sources — never invented.

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