The Green Flash
Something I noticed on the way to work: the warning flashers in the construction zone were refracting light to give brief flashes of green along their edges, In much the same way the sun gets refracted by the atmosphere and has a split-second green flash along its upper rim as it sets...
Flickr page for this photo.
Visit the Eye for Science Flickr group.
Get the "Eye for Science" widget
here
and install it on your own blog. Spread the scienticity!
Like this image? Want it for your smartphone wallpaper?
Use this QR Code to load it on your smartphone and enjoy!