Dry Quicksand
chessie writes "Just in time for the holidays, new and improved quicksand! The new dry quicksand is a physical curiousity, made with air and sand instead of water with porewater pressure overcoming the density of sand . It is possible to vanish into a pile of completely dry sand as well. Worse, their sand looks the same as the normal, weight-supporting variety. Obviously, the US Army wants in on it."
I had never heard the term before and it doesn't seem to be in the referenced article. I had to Google for 5 minutes before I found a decent definition.
Definition credit goes to Bob Goemans & Sam Gamble http://www.saltcorner.com/sections/guest/goemans&g amble/sandbedspart1.htm
And as you tread the halls of sanity, You feel so glad to be, Unable to go beyond. I have a message, From another time..
On the Discovery Channel, MythBusters drown quicksand!