I don't see why not. Dolphins and bats use it, right? Shouldn't be that hard to make it analog. [Good, another project to work on.]

All right, good. And I know at least one of the farms has a storm cellar - would be a good bolthole if there's anyone particularly vulnerable in your group. Unless you have somewhere else fortified, that is.

[He remembers that one because they'd hidden from the tornado there - and it had re-entered into the Insolitus.]