Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out. Here on Earth, it’s easy to know how fast you’re driving. You get a good ...
On October 16 1843, the Irish mathematician William Rowan Hamilton had an epiphany during a walk alongside Dublin’s Royal Canal. He was so excited he took out his penknife and carved his discovery ...
Nanophotonics Center, NTT Corp., 3-1, Morinosato Wakamiya, Atsugi, Kanagawa 243-0198, Japan NTT Basic Research Laboratories, NTT Corp., 3-1, Morinosato Wakamiya ...
Describing electromagnetic field using scalar and vector gauge potentials represents one of the fundamental breakthroughs in classical electrodynamics, which is also at the heart of the celebrated ...
Two weeks ago, NASA smashed a spacecraft into a small asteroid called Dimorphos, which orbits a larger rock, Didymos. The mission is formally named the Double Asteroid Redirection Test, but you might ...
It has been difficult to establish velocity models that use reflected seismic signals with advanced prediction ahead of the tunnel face. The accurate establishment of advanced velocity models face ...
We present exact explicit Peregrine soliton solutions based on a periodic-wave background caused by the interference in the vector cubic-quintic nonlinear Schrödinger equation involving the ...
Plague is a devastating infectious disease that has caused three pandemics during the last millennia. Today, plague still causes sporadic cases every year and even some outbreaks. In this paper, we ...
Activation mapping of scar-related atrial tachycardias (ATs) can be difficult to interpret because of inaccurate time annotation of complex electrograms and passive diastolic activity. We examined ...
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