As more consumers around the world upgrade to smartphones, the adoption of indoor positioning systems will soon provide users granular navigation data more effectively than GPS.

“Indoor GPS” may soon be a reality for many smartphone owners

An Indoor Positioning System Based On Echolocation | MIT Technology Review

An Indoor Positioning System Based On Echolocation

Samsung SCU-EVAC Explosion Proof Positioning System

Samsung SCU-EVAC Explosion Proof Positioning System

This easy indoor compost system turns food scraps into fertilizer in 24 hours

This easy indoor compost system turns food scraps into fertilizer in 24 hours

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