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Much of Maine's coast hosted shady stands of red spruce before it was heavily harvested and succeeded by sun-tolerant species ...
Spruce up your yard! With cold-weather hardiness, evergreen beauty and a range of sizes and shapes, the many types of spruce ...
Unmanned aerial vehicle (UAV) targets are characterized by slow speed, low flying altitude, and small radar cross section, which provides them with great stealth properties. In the urban low-altitude ...
We study the problem of continuous maintenance of range sum heat maps over dynamically updating data objects. The range sum (RS) here refers to the sum of the weights of the data objects enclosed by a ...
MILAN — Competition is heating up for Norway’s envisioned Arctic-capable, long-range maritime drones, as two American manufacturers have entered the race. As part of the 2025-2036 Norwegian ...