Huge plugs could have spared subways from flooding, developers say
By Mike M. Ahlers, CNN
updated 10:29 AM EDT, Thu November 1, 2012
http://www.cnn.com/2012/10/31/us/new...gs/index.html?
hpt=hp_c2

The company involved in this research project is ILC Dover, known for
making spacesuits and other inflatable space hardware/structures.

http://www.ilcdover.com/

Jeff
--
"the perennial claim that hypersonic airbreathing propulsion would
magically make space launch cheaper is nonsense -- LOX is much cheaper
than advanced airbreathing engines, and so are the tanks to put it in
and the extra thrust to carry it." - Henry Spencer