publish: true gemini: true tags:

• cognition
• mechanical_keyboards created: ‘2026-05-04 14:40’ last_modified: ‘2026-05-04 14:40:00’ status: evergreen confidence: fact

Working memory is severely limited

The human brain can actively hold only roughly seven items in its short-term cache. Recognizing this limitation is why Ergonomic hardware reduces physical cognitive load so you can focus entirely on the logic.¹

Footnotes

1. Miller, G. A. (1956). The magical number seven. ↩