For more information on that 'device', look hard at the tech used in his 1898 demo of his remote-controlled boat at an expo in Madison Square Garden. The boat a

For more information on that 'device', look hard at the tech used in his 1898 demo of his remote-controlled boat at an expo in Madison Square Garden. The boat and remote combined several amazing innovations. Technically it's on the same level as Englebart's demo.