One thing you find out fast while driving a vintage Volkswagen Beetle is that everyone over a certain age has a Volkswagen Beetle story. I had the nicely restored 1964 Beetle you see here—property of ...

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Abstract: Over time, traffic sensors have become recognized as a leading source of traffic flow data. Despite their solid capabilities for measuring various types of traffic flow information, they ...

Abstract: This article addresses the problem of moving source localization in 3-D using the time-difference-of-arrival and frequency-difference-of-arrival measurements without accurate sensor location ...

This huge 1.5 million-ha park has successive tiers of vegetation rising from 150 to 4,200 m above sea-level. The tropical forest in the lower tiers is home to an unrivalled variety of animal and plant ...