Screen-reader support
This site is designed with semantic structure and labeled controls for screen readers that read pages aloud for blind and low-vision readers.
Reading
Reader Accessible
Increase reading size, line spacing, and paragraph breathing room without changing the lesson.
Contrast
Color Accessible
Use the existing high-contrast palette. This replaces Light or Dark while it is on.
Presentation
Zoom
Enlarge the site while preserving responsive reflow. Choose 100% to reset.
Light level
Brightness
Reduce bright colors across the site. Black remains black while lighter colors become progressively darker.
Comparison workshop
The devices manipulate conjunctions in opposite directions.
Read the pair
See the signal
maps and rope and lanterns and radios
maps, rope, lanterns, radios
