Le 15.8.2002 16:38, « Bob Talbot » <snapper@st-abbs.fsnet.co.uk> a écrit : > Well, maybe not half ... > > What is light anyway and how do you know when you only have half of it? > ... well, try to respond ... > > Try to measure dark. Are you suggesting we would only be able to measure half of the dark ;-) -- Christiane
