London specialty reviews.

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Specialty Treatments

In simple terms, the wood cell wall is a composite made of a rigid cellulose polymer in a matrix of lignin and the hemicelluloses. The lignin polymer in the middle lamella and S2 layer is thermoplastic; that is, it softens upon heating. The glass transition temperature Tg of the lignin in the matrix is approximately 170°C (338°F). Above the matrix Tg, it is possible to cause the lignin to under...

book reviews

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What Makes London Work Like London?

Urban data ranging from images and laser scans to traffic flows are regularly analyzed and modeled leading to better scene understanding. Commonly used computational approaches focus on geometric descriptors, both for images and for laser scans. In contrast, in urban planning, a large body of work has qualitatively evaluated street networks to understand their effects on the functionality of ci...

Forensic psychiatry--a specialty.

The field of forensic psychiatry implies a distinction between it and other areas of psychiatry. Whether this field can be so clearly staked out as to be delineated as a subspecialty of psychiatry is the subject of this brief paper. I propose (1) to examine the question of whether it is justified to speak of forensic psychiatry as a subspecialty; (2) to explore the definition of forensic psychi...