THE number of systematic treatises on relativity is not unduly large. This is partly because, since the first few years after Einstein's announcement of the 'general' theory in 1917, it has undergone ...

While a bachelor’s degree is the minimum requirement to serve as a program director, the field of study is often unrelated to education, leaving instructors underprepared for the demands of teaching ...

OF all the works a man may set himself to write, the most difficult must surely be an elementary text-book on statistics. The writer of a text-book on almost any scientific subject has to face the ...