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A big suburban snapping turtel, a note on the Perseid shower, an update on monarc butterflies and the rapid increase of fish species in the Chicago River are among the notes from around Chicago outdoors and beyond.
Identifying multipath reflectors for validating ray tracing in urban canyons. PENG XIE, OPENLOOPNAV INC. Global Navigation Satellite Systems (GNSS) ha
It takes more than just having a great game to find the success Wordle has.
The Good Men Project Become a Premium Member We have pioneered the largest worldwide conversation about what it means to be a good man in the 21st century. Your support of our work is inspiring and invaluable. Narratives About South Africa’s Black Athletes Need to Be Reclaimed and Retold Take the case of weightlifting and the story of Milo Pillay and his protege, William Ronald Eland, known as Ron. A fair amount has been written by academics about the history of black cricket, rugby and soccer in South Africa. These writings have given voice to sportsmen and women who were made invisible du...
In an Android developers’ blog post titled “Improving urban GPS accuracy for your app,” satnav expert and a principal engineer at Google Frank van Diggelen reports that the company has addressed “the last great unsolved GPS problem”: the wrong-side-of-the-street position error. While this may not be the last nor the greatest GPS problem, it is one encountered by ride-share requesters and in-car navigators looking for a specific street address: multipath and other urban canyon-created errors. “Our solution uses 3D mapping-aided corrections, and is only feasible to be done at scale ...