A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Abstract: Solid-state transformers (SSTs) are conventionally based on a multistage architecture, with an input and/or an output ac/dc converter (for interfacing with the ac grid and/or the load), and ...

As of December 2025, there is no approved fourth federal stimulus check. Former President Donald Trump has proposed a new round of payments, but this has not been approved by Congress. Arizona has ...

Check your blood sugar first thing in the morning after eight or more hours without food. Testing after meals shows how your body handles the food you've eaten. Check before and after exercise to see ...

Abstract: Renewable power-to-hydrogen (ReP2H) systems require rectifiers to supply power to electrolyzers (ELZs). Two main types of rectifiers, insulated-gate bipolar transistor rectifiers (IGBT-Rs) ...