Free Download
Unglue.it
Free Download
Unglue.it
Free Download
Unglue.it
Subscribe to Blog via Email
Top Posts & Pages
Site Menu
Photo Credit
Banner photograph by Richard Thompson CC-BY-SA
On Internet Archive
Creative Commons
Green Comet by Jim Bowering is licensed under a Creative Commons Attribution-ShareAlike 2.5 Canada License.DRM-Free
Free Software
My Mastodon profile.
Tag Archives: color
Some Women See a Hundred Million Colors
An unknown percentage of women can see a hundred times as many colors as the rest of us. While normal humans have three types of cones in their eyes for perceiving the three primary colors — red, green and blue … Continue reading
Irisation
Cloud of the Day – Irisation A close relative of corona is irisation. Both are caused by interference among light waves diffracted by cloud particles. Since different wavelengths of light are scattered at different angles, they interfere with themselves at … Continue reading
Sprites
Cloud of the Day – Sprites Another non-cloud cloud of the day, sprites are electrical phenomena. They emanate upward from the tops of thunderclouds, as lightning plays around the bottoms. Sprites weren’t caught on film before 1989, and only seriously … Continue reading