DES MOINES, Iowa — The Iowa Department of Transportation reported two semis flipped on their sides within 30 minutes of each other Wednesday along Interstate 35. Due to snow on the ground, scattered ...

Abstract: We propose employing a finite difference time domain (FDTD) method to fully understand the performance of frequency diverse array (FDA) radar in terms of energy propagation, clutter ...

Abstract: The purpose of this paper is to explore the optimization strategy of crop cultivation through random number method and mixed integer planning model. Firstly, taking North China as the ...

No one won the $157 million Powerball jackpot in the Jan. 14 drawing. The winning numbers were 6, 24, 39, 43, and 51, with a red Powerball of 2. Three tickets won big prizes, including a $2 million ...