Different ways to discover.

Explore at your pace, with the tools that help you think.

Reading and listening

Questions, answer options and explanations have optional read-aloud controls. Choose an American male or female voice at a gentle pace. Options are identified by their visible letter.

Keyboard and motion

Use Tab to move between controls and the keyboard to operate buttons and inputs. The playground respects your reduced-motion preference. Diagrams include text descriptions and quantities; color is accompanied by labels or structure.

Help us improve

Accessibility work is ongoing; we have not claimed a formal accessibility certification. If something blocks your learning, contact brytaafrica@gmail.com with the lesson title and the control you were using.