Drone tech is transforming ag spray precision. Experts answer tough questions on drift, formulation, and what’s next for ...

Robert Policht tells firefighters who might be called on to rescue a citizen from a vertical shaft what's required on arrival at the incident—and days and weeks before an incident ...

READING, Pa. – Berks County Commissioner Christian Y. Leinbach reported at a commissioner’s meeting on Thursday that on Aug. 15 the Reading Regional Airport Authority took a critical step ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. The Wright brothers designed and constructed the world's first practical fixed-pitch propeller and developed the ...

Developer plans lawsuit against City of Allentown, officials over pollution in area of homeless encampment near properties $21 million in grants awarded to 77 Pennsylvania farms, food manufacturers ...

Ultra-dense networks (UDNs) constitute one of the most promising techniques for supporting the 5G mobile system. By deploying more small cells in a fixed area, the average distance between users and ...

First, effective near-ground filtering and fixed-area slicing algorithms are proposed to address the issues of sample imbalance and insufficient data. Second, MFSS integrates RGB information and point ...

The Wright brothers designed and constructed the world's first practical fixed-pitch propeller and developed the aerodynamic theory to calculate its performance during the process of creating their ...

Find Propeller Plane stock video, 4K footage, and other HD footage from iStock. Get higher quality Propeller Plane content, for less—All of our 4K video clips are the same price as HD.

It is observed by the stress analysis that the propeller made from Nylon 6 can easily endure the underwater loads on the blades of the propeller. The maximum stresses appear on the fixed end, and the ...