Editor’s Note: This story was updated to include more examples of what federal employees can do while on official time. The Trump administration is digging further into federal employees’ union ...

Abstract: This letter presents the development of a real-time object detection system using frequency modulated continuous wave millimeter-wave (mmWave) radar signals and the python productivity for ...

Abstract: We present a comprehensive tutorial on the finite-difference time-domain (FDTD) modeling of space, time, and space-time-varying media, building upon our previous review by offering a ...

Time is often treated as constant, but Einstein showed that it isn’t. Speed and gravity both affect how fast time moves, and this has been proven through real experiments and satellite technology.