Jun 28 2009
Looking Closer (56) – A Building Block of Life

Is the above a building block of life? The raw materials may be made of that, but its human use would be considered more of helping to make the octane of life.
Hint: You’ve already had a couple hints. x200. Answer and another pic below the fold.
A used coffee filter. The unbleached kind.
What is so life-building about the material? The cellulose (plant fiber) from which it is made plays an essential role in plant structure and is an invaluable human resource: from timber to toilet paper, we use a ton of it. And in this particular form it helps us process the wonderful pick-me-up drug so many of us consume. Caffeine.
Here it is at x60:




