Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...

Time travel has long been dismissed as impossible due in part to the infamous "grandfather paradox." This conundrum asks what ...

Building a warp drive is more than an energy problem; it's a physics puzzle with universe bending consequences. This video explores the cutting edge research: from NASA's scaled down energy ...

If you’ve spent more than a few hours in Hell is Us, you’ve probably noticed those pulsing rifts shredding the sky. Those are Hell is Us timeloops – pockets of twisted space that keep spitting out ...

Abstract: A frequency-tunable Parity-Time (PT) symmetric optoelectronic oscillator (OEO) with two coupled optoelectronic loops having a rational loop length ratio is proposed and experimentally ...

Abstract: The Keda Torus eXperiment (KTX) is a reversed field pinch (RFP) magnetic confinement device located in China. Due to the nonideal conductivity of the copper shell and the presence of a ...