Abstract: Boost converters enhance input-to-output voltage, two power converters: DC-DC and DC-AC. By quickly turning on and off, switch-mode power supplies (SMPS) increase efficiency and lower energy ...

Biogen’s treatment for Alzheimer’s was initially regarded as a major treatment breakthrough. Now, only three years later, Ben Hargreaves finds that the abortive launch holds lessons across the ...

Buzzard oilfield restarts, pumping below full rate-source; Forties has temporary flow restriction. Oil and natural gas flows along Britain's biggest and most important oil pipeline, Forties, were ...