The Action Lab on MSN

I built a time machine

In this video I show you my new time machine! I show you how it works by using the theory of special relativity. I show you ...
Robinson, R. and Vicenzi, Edward P. 2015. "The Twin Paradox: A Study of Preservation and Disfigurement of Southward and Hawes Daguerreotypes." Topics in Photographic Preservation, 16 187–205.