Review 36 of ForEST Article 64

Review 36 of ForEST Article 64

ForEST Article 64 Info
Status	Active
Title	Mass
Corresponding Author	fmyhr
Purpose	To define mass and to describe the equivalence between mass and energy.

ForEST Article Review 36 Info
Reviewer	cmueller
Review Date	2001-02-09
Coverage Score	How well does the article cover the topic described in its purpose? How appropriate is its level of detail?	(0 - 10) 9
Technical Score	How technically accurate is the information presented in the article?	(0 - 10) 9
Style Score	How clearly written is the article? How good are its grammar and spelling? How appropriate is its tone?	(0 - 10) 9

Text Comments	I think the article is well-written and interesting. Its scope is appropriate, the information is technically accurate, and the main points are conveyed concisely. Two minor comments: 1. In the first paragraph, a bowling ball and a ping-pong ball are used to demonstrate differences in mass. These objects also have vastly different densities, and I wonder whether some readers may be confused between mass (the total amount of 'stuff') and density (the amount of 'stuff' per unit volume). The issue could be skirted by modifying the second sentence as follows: "... we have an intuitive feel for mass: it is just the weight of an object. We call ..." 2. In the next-to-last paragraph, one might replace the word "positron" with the words "which also has mass" because some readers may not know whether an anti-electron has mass. This fact is more important for the meaning of the sentence than providing the synonym "positron." Best of all would be to include both pieces of information, but I couldn't think of a good way to do this!