How to …

…old-fashioned search box, and tag cloud on the right hand part of The Ongoing Conversation page. Comment The Disqus tool appears at the bottom of each post you’ll see as…

Patterns

…a pattern in these stars’ positions that is meaningful to an astronomer. Above is the “explanatory glue” (static image with annotations). Video, from https://www.youtube.com/watch?v=qO3RQiRjWA4 as of July 2018:   Last…

About the rainbow color map

…inherent in this data set are visible in the perceptual colormap, but are hidden by the rainbow colormap.” [text copied from here: http://www.research.ibm.com/people/l/lloydt/color/color.HTM] Click to go Back to the entry…