Hannah Cairo found herself stuck on a problem that wouldn’t leave her mind. It wasn’t a regular homework assignment—it was a decades-old mathematical puzzle believed to be true by leading experts in ...

It should probably come as no surprise to anyone that the images which we look at every day – whether printed or on a display – are simply illusions. That cat picture isn’t ...

Luminous Power Sine 800 Pure Sine Wave Inverter best price is Rs. 4,199 as on 9th July 2025. See full specifications, expert reviews, user ratings, and more. Compare Luminous Power Sine 800 Pure Sine ...

Kondratieff Wave, named after Russian economist Nikolai Kondratieff, refers to cycles, lasting up to 60 years, experienced by capitalist economies.

In this paper, a novel Eulerian nonlinear beam-wave interaction (BWI) theory considering harmonic interaction of a helix traveling-wave tube (TWT) is developed.

This paper presents a generalized fault-tolerant strategy to improve the performance of the three-phase cascaded H-bridge converters with faulty cells. The proposed fault-tolerant strategy combines ...