IFLScience
shared a link post in group #IFLScience
www.iflscience.com
What Is The Difference Between Mass And Weight?
Our interchangeable use of the two terms makes physicists cry.
Comment here to discuss with all recipients or tap a user's profile image to discuss privately.
Embed post to a webpage :
<div data-postid="pnwgnvn" [...] </div>