designed a series of signs depicting basic needs water and food for example that drones can no read and record he wants the signs to be sent to every household on the island. elsewhere on puerto rico this team is trialing a wife i networked for use during disasters the system would a low survivors to send vital information to imagine cease ever says it all made possible with small battery or solar powered transmitters like this. the mayor says the wish that has the technology when maria hit. all of us will go down that it will that it's one of the big challenges for a hurricane as devastating as maria and other emergencies it was clear that the greatest difficulty was communication not only local but how to communicate with government agencies to respond to all the needs that there were but. nobody at all