When Katrina struck I remember the images of survivors waving from their rooftops tops during the day and I got to thinking what do they do at night? Then it struck me, use the night to work reverse cycle. Basically let's improve how the 12 of the 24 hours that are dark, are utilized. With new technologies like drones & smart phones we can do much better than SOS which was first recognized in 1905. SOS only tells you ...more »
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