[net.puzzle] sand

colonel@sunybcs.UUCP (Col. G. L. Sicherman) (12/01/85)

Which weighs more, a liter of wet sand or a liter of dry sand?
-- 
Col. G. L. Sicherman
UU: ...{rocksvax|decvax}!sunybcs!colonel
CS: colonel@buffalo-cs
BI: csdsicher@sunyabva