Paul Erdös was (1913-1996) a Hungarian-born mathematician known for being prolific (about 1,500 papers with about 510 co-authors) and eccentric. As to the latter, he spent most of his life traveling from place to place, staying in the homes of colleagues. Most of his possessions fit into …

On the southeast corner of the UCLA campus lies the Mildred E. Mathias Botanical Garden. On seven acres, this oasis contains tropical and sub-tropical plants from all over the world.

I took a pleasant walk through the garden over the weekend, and plan to return, since it is a restive spot that …

If you are in need of a technical book or magazine, or several, you can probably do no better than to visit Opamp Technical Books, near Hollywood Boulevard in Los Angeles.

Inside are a number of aisles stacked floor to ceiling with used and new scientific and technical books of all topics, …