Militarizing hagfish
A recent article in Popular Mechanics details progress on the manufacture of synthetic hagfish slime that the Navy hopes can be used to disable enemy vessels. Although I have doubts about slime being able to stop a spinning propeller, slime would be very effective in clogging intakes and cooling pumps, which would result in engine overheating. The challenge will be delivery. It reminds me of some work done in the late 1960s, when calculations were made to determine how much s