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45.1 x 31.8 cm. (17.8 x 12.5 in.) ...

A so-called ice spike and ice flower were spotted outside ... rather than there being any botanical connection." He said the "ribbon ice" probably formed from "water trapped in the hollow railing ...

Enables autonomous driving of a 2 or 4 wheel car with an Arduino and a Adafruit Motor Shield V2. To avoid obstacles a HC-SR04 Ultrasonic sensor mounted on a SG90 Servo continuously scans the area.

New York Gov. Kathy Hochul has announced a new $77 million plan to clamp down on subway crime, while the MTA has also begun installing "spikes" on some of its turnstiles to stop fare evaders who ...

Safety-critical controllers for single/multi robotic navigation: CBF-QP, MPC-CBF, and etc.

The anonymous flocking algorithm of multiagents is a core technology in the collaborative control research of multiagents system. It does not need agents to distinguish other agents and obstacles, but ...

Different obstacles to productivity tend to require fixes; thus, identifying the problem (or problems) that hinder progress is mission critical. Internal barriers to productivity—including ...

Here’s what we know about Mr. Trump’s idea for mass resettlement, and the significant obstacles it will face. Mr. Trump had floated the idea of Palestinians leaving Gaza multiple times since ...