From mrericboyd at yahoo.com  Thu Nov  7 19:06:36 2013
From: mrericboyd at yahoo.com (Eric Boyd)
Date: Thu, 07 Nov 2013 19:06:36 -0500
Subject: [Quadcopter] quadcopter: air, ground, water
Message-ID: <527C2B0C.3050707@yahoo.com>

http://spectrum.ieee.org/automaton/robotics/aerial-robots/iros-2013-quadrotor-wheel-can-fly-float-and-roll

It can roll on ground like a wheel, move on water like a boat, and of 
course fly. They have total tilt control.  Weird but interesting!

Eric