> I know this stuff, I have a physics degree. > Sorry, didn't mean to insult you. > In fact many years ago the NPL invited me along to a colloquium > discussing how best to re-define the kilogram. > (Because it is currently based on a lump of platinum-iridium, not on > any "portable" physical constants. In fact the master kilogram and the > sub-standards are all drifting in different directions, and that is > causing some concern. I think the current plan is to use a perfect > sphere of silicon, > ...which my collegues at the PTB (German Federal Physical-Technologiocal Institute) at Braunschweig have been doing for the last, say, 15 years. Filing single atoms from a sphere, puuuh...
Peter ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
