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Improve your mobile signal

Improve your mobile signal

Really the most useful aspect of OpenSignal is that it allows you to see which carrier has the best coverage in your area. It also does things like point you in the direction of nearest cell tower. Check them out here.  
A no-battery phone?

A no-battery phone?

The University of Washington, it seems, have developed the world’s first battery less phone! It works by harvesting power from ambient RF signals or light. How long before Apple integrate this awesome tech!? Check them out here.