Sandpaper Only Works If It Is Rubbing Against Something

Feld Thoughts

Shark skin (placoid scales) has also been used as an abrasive and the rough scales of the living fossil, Coelacanth are used for the same purpose by the natives of Comoros. I recently heard the line “sandpaper only works if it is rubbing against something” and loved it. From Wikipedia: “The first recorded instance of sandpaper was in 1st-century China when crushed shells, seeds, and sand were bonded to parchment using natural gum.

the world without altgate

Altgate

@altgate Startups, Venture Capital & Everything In Between Skip to content Home Furqan Nazeeri (fn@altgate.com) ← Microsoft Buys 37signals For $300 Million The Coming Venture Capital Boom → The World Without Altgate Posted on January 1, 2009 by fnazeeri No, this blog is not going anywhere.