See the World as a Colour-Blind Person Would — filters that let you see images as protanopes, deuteranopes, and even tritanopes would see them. I am protanoptic (if that’s a word) and I can vouch that the “after” pix look the same as “before” to me. Care, because about 8% of men have some form of colourblindness and hate you and your “red is bad, green is good” visual cues. (via Flowing Data)
Waffles — seeks to be the world’s most comprehensive collection of command-line tools for machine learning and data mining.