I was surprised that C&EN would devote two columns to the letter by Harvey Carroll on the matter of atomic weight versus atomic mass (C&EN, Jan. 24, page 4). I realize the majority of the informed ...
The Aerospace Education Services Project, or AESP, is presenting a free webcast on Thursday, Jan. 13, 2011, at 4:30 p.m. EST. During this hourlong webcast, Stennis Space Center aerospace education ...
Your weight changes on other planets and moons due to different gravitational pulls. Weight is how much gravity pulls on you; mass (amount of matter) stays the same. Newton's Law of Gravitation ...
When it comes to measuring weight, BMI is the acronym everyone loves to hate. Health professionals have long used body mass index as a quick screening tool to fast-track certain patients into a “code ...