Seen & Heard: Goodbye to QE2, saving Ukrainian heritage

November 9, 2022

“Seen & Heard” is a monthly feature of GPS World magazine, traveling the world to capture interesting and […]

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This article is tagged with forestry, Lake Sarez, Purdue University, Queen Elizabeth II, remote sensing, Seen & Heard, Skeiron, Songlin Fei, Tajikistan, Ukraine, Ukraine War, UNESCO and posted in From the Magazine, Mapping

Mathematicians found a method to hear the shape of a room using four microphones mounted on a drone. Pictured: Mireille Boutin. (Photo: Purdue University)

A drone can hear the shape of a room

March 24, 2020

With a speaker and four microphones, drones can echolocate like bats Mathematicians at Purdue University in West Lafayette, […]

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This article is tagged with echolocation, echosorting, indoor localization, loudspeaker, mathematics, microphones, Mireille Boutin, PNT Roundup, Purdue University, Technical University of Munich and posted in From the Magazine, Latest News, Mapping