People on the ground can also use a geographical information system that displays farmer contact data, farm size and location, tree inventory and price information, which makes it easier to forecast and optimize cashew collection.

FORBES: Nut Farmers in Ghana Crack into Mobile Technology

Both spacecraft make use of the US space agency's Tracking and Data Relay Satellite System (TDRSS) to speak to the ground and controllers do not want any conflicts.

BBC: Total cargo: 4,860kg

He and his colleagues have made a start on this at Army City, where they are creating a system that will swallow, digest and combine data from satellites, aircraft and ground-based sensors, aligning them in a single, computer-based model of the site.

ECONOMIST: Archaeology: What lies beneath | The

The system then uses the trajectory data to determine exactly where the ball has hit the ground, making it invaluable for marginal line calls.

CNN: Does football need technology?