Abstract: To address the challenge of low-frequency seismic signal measurement in ultra-deep oil and gas exploration, an inverse filtering-negative feedback low-frequency extension (IF-NF-LFE) method ...

Abstract: The study of homeostatic equilibrium is a key concern in several fields, from physiology and biology to medicine and biomedical engineering. Control theory approaches can provide effective ...

Researchers discovered that pollution from North America's largest oil field has created multiple feedback loops accelerating Arctic warming and sea-ice loss, per a new study. Penn State scientists ...

Unless you worked for Ford’s plastics, paint and vinyls division in the 1980s, you probably don’t know the name Jim Moylan. But you might well know the idea that made this unknown engineer who ...