Abstract: In this paper, we propose a novel Real-Time Kinematic positioning architecture with Enhanced Velocity Constraints (RTK-EVC) which is solved by factor graph optimization. The RTK procedure ...

Abstract: Permutation entropy (PE) is a widely used metric for quantifying the complexity of time series data. Recent efforts have extended PE to graph signals, resulting in the graph permutation ...

Frequency is an essential concept in physics, especially when studying waves, oscillations and vibrations. It represents the number of cycles completed by a periodic phenomenon in a set period of time ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

There’s a quiet power in being an immigrant. You learn to belong everywhere because you’ve been told you belong nowhere. You learn to build not because you were invited, but because you refused to ...

“Negative time” might sound like science fiction, but an international team of theorists and experimentalists has determined that a photon can, in fact, spend a negative amount of time in an excited ...

WWE Hall of Famer The Great Khali, known for his towering height, recently met Karan Singh, a 17-year-old who stands at an astounding 8-foot-2. Impressed by Singh's stature, Khali expressed his desire ...

Source: Image by Leovinus, needpix. In general, surveys show that older people are happier people. But getting older is not a bed of roses, either. Eventually, the losses pile up. Friends, family ...

On Tuesday 7 October the winner(s) of the 2025 Nobel Prize for Physics will be announced. The process of choosing the winners is highly secretive, so looking for hints about who will be this year’s ...

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SINGAPORE: After applying to more than 150 jobs, AN, a 24-year-old computer science graduate, found herself in a dilemma familiar to many fresh graduates – hold out for a stable job, or consider an ...

Greg Miller is an investigative foreign correspondent for The Washington Post based in London, and is the author of “The Apprentice — Trump, Russia and the Subversion of American Democracy,” a book ...