You can pack all sorts of useful gadgets in your car's emergency kit, but blogger Mark Chow-Young suggests an addition to the kit I'd never thought of before: the Storm Whistle, the "the loudest ...

I've never been particularly effective at whistling. Some people can't whistle -at all-, I produce a shallow 'blowy/breathy' whistle, which has about 1/4 of an octave range. That article describes the ...