Still, Peter Zimmerman, who served as the chief scientist of the Senate Foreign Relations Committee from 2001 to 2003, said, "I think there are Al Qaeda people who, given finely divided material, could think of very creative and malicious ways to use it.
Many technical processes using finely divided materials require that the particle size be as uniform as possible.
Among the most finely divided materials known, carbon blacks vary widely in particle size depending on the process by which they are made.
Total reflection of light which imparts whiteness to flowers, birds' feathers, mammalian hair, and the wings of certain butterflies often results from the separation of finely divided materials by minute air spaces.
Characterization of the structure of ultra-small (colloids and molecular clusters), and/or amorphous and highly divided materials down to the molecular scale.
On Feb. 29, the Wistar Institute transferred the remaining polio vaccine to an independent laboratory that will prepare and divide the material for distribution to three laboratories and a fourth if there is enough material, Dr. Clayton A. Buck, the institute's chief administrative officer, said in an interview.
I divide the material of the course into 24 units.
We chose to divide the material according to clusters of participants, assuming that each individual has certain systemic beliefs, a certain worldview and core metaphor when considering futures of privacy, and that similar individuals can be grouped into clusters.
I said, "As long as we don't have cards that say that, it's actually kind of an interesting way to divide the material".
