Or can you? I tried bashing one of them with a fire extinguisher, but it didn't do anything.
tech demo did not have that feature
wait until Penumbra Overture I'm sure you like the improved physics there ;)
atm dynamite is one way to kill them
Dynamite or traps such as
.
Best thing is that you just ran away from them. Or if you are good in aiming you can use dynamites, but they don't make much damage to the bat things. You need atleast two sticks.