Just had to share this one. This is an animated NASA "visualization" video showing the disposition of global ocean currents during the period from June 2005 through December 2007. Aside from how beautiful it is, what strikes me most is the prevalence of huge eddies in certain locations--particularly off southern Africa, where there is an...
Ever since they start selling 406 MHz EPIRBs with built-in GPS units (the so-called G-PIRB) just a few years ago I've been thinking search-and-rescue (SAR) technology is just about as nifty as can be. Turns out I was wrong. NASA just announced this week it is developing and testing a new technology, called the Distress...



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