One of my biggest pet peeves is that when I lay down on my back or kick my feet up on my desk, coins never fail to come tumbling out all over the place. The obvious solution to this problem is gyroscopic stabilization!-- 21 Quest, Jul 25 2024 Gimballed_20sensory...tion_20phone_20case [pocmloc, Jul 25 2024] I would have thought passive gimballing would be sufficient?-- pocmloc, Jul 25 2024 Same thing with my phone, if I'm anything but vertical, it seeks immediate freedom.-- zen_tom, Jul 25 2024 random, halfbakery