Posted 2009-October-08, 16:58
matmat, on Oct 9 2009, 12:23 AM, said:
pooltuna, on Oct 8 2009, 03:57 PM, said:
hmm...I guess you could say "it hoovers"
electrolux, dirt devil, dyson and a few others might object.
how about "that seriously vacuums."
As a vacuum technologist (you didn't know those existed, did you
), I must object to the term "serious vacuum".
Sucking only leads to a very mild vacuum, probably with a pressure of around 800 mbar (or about 80% of atmospheric pressure). Vacuum only gets "serious" below 10^-3 (0.001) mbar (a million times lower pressure than atmosphere). We speak of UHV (ultra high vacuum at 10^-9 mbar) when the pressure is yet another million times lower. (For reference: The pressure on the moon is about 10^-11 mbar.)
Rik
I want my opponents to leave my table with a smile on their face and without matchpoints on their score card - in that order.
The most exciting phrase to hear in science, the one that heralds the new discoveries, is not “Eureka!” (I found it!), but “That’s funny…” – Isaac Asimov
The only reason God did not put "Thou shalt mind thine own business" in the Ten Commandments was that He thought that it was too obvious to need stating. - Kenberg