A new sign in the armamentarium helps to confirm correct dissection of the anterior and posterior planes in SMILE surgery.In this column, I invite Tushya Om Parkash, MBBS, MS, and Rohit Om Parkash ...

Carolina Morton checks the stop sign function and turn signals on a Richmond Public Schools bus in preparation for the start of school. Morton, who trains school bus drivers and drives a bus ...

Due to the sign function of the traditional sliding mode observer producing jumps at the zero crossing point, high-frequency oscillations occur, making it unable to converge smoothly. Meanwhile, the ...

This article investigates the challenge of fast fixed-time-synchronized (FTS) formation control for autonomous surface vehicles under unknown disturbances. By incorporating norm-normalized sign ...

Simply hold down the Alt key and type the corresponding number to insert a special character. If you have memorized the code of your favorite special character, you can insert it in less than a second ...