If you have an outside light that attracts moths sneak up on them and rattle a bunch of keys. See what happens.
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(https://www.bbc.co.uk/programmes/b0b6hrl3 "In our time" on echolocating by bats)
Poor moths :lol:
That's a neat trick to show kids. Thanks Dave!
Oh yeah, we are definitely trying this! I'll let you know if we see anything cool.
^ God works in mysterious ways.