Joining the handful of Insert Coin finalists at Expand is Azorean's cute Ziphius aquatic drone. While Fort Mason is located by the seaside, the folks actually brought their own little pool along to let their Raspberry Pi-powered robot splash around in; though it can happily operate in seawater as well and thus adding more use case possibilities -- be it for entertainment (including autonomous ball-chasing, for instance) or for environmental monitoring. Through a direct WiFi connection we were able to use an Android tablet to control both the Ziphius' surpri
