I think crunchgear stepped into the metaphor here. I don't see anything in the actual article, http://www.sciencedaily.com/releases/2009/10/091013210441.htm htt

I think crunchgear stepped into the metaphor here. I don't see anything in the actual article, http://www.sciencedaily.com/releases/2009/10/091013210441.htm http://www.sciencedaily.com/releases/2009/10/091013210441.ht... that talks about it being small enough to fit in a cell. This quote is probably what lead them astray… So it is possible, for example, to go inside neurons and look at their ion channels …but the speaker is in the context of examining fluorescence through a microscope.