THE methods employed in this book, which presents an attractive appearance, are almost entirely independent of the aid of general mathematical principles. For instance, the form of tke graph of y = ax ...

Fluke recently acquired Solmetric, a company that combines cutting-edge equipment with industry expertise. pv magazine USA met with Fluke’s Will White at RE+ to explore the company’s new high wattage, ...

I HAVE unwittingly done an injustice to Mr. R. H. Duncan's book on “Practical Curve Tracing” (vol. lxxxiii., p. 461). I judged by the review of it in NATURE of June 9 that it deals only with the ...