The impact of power on the welding process
Generally, weld characteristics are considered as a function of welding time, welding power, applied pressure, and the heat dissipated in the weld for each welding position of the machine. In this method,…
Category: 4. Physics
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Feasibility test of 3 dimensional patient specific quality assurance of gamma knife radiosurgery using novel mobile phospor probe system
System installation
Figure 3a presents a schematic diagram of the MPP system installation. The system consists of a cylindrical polymethyl methacrylate (PMMA) phantom (diameter: 16 cm, height: 13 cm), a phosphor screen, and a CCD camera…
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Uncovering bifurcation behaviors of biochemical reaction systems from network topology
Unveiling bifurcation behaviors of chemical reaction networks through SBA
We begin by demonstrating how bifurcation behavior in chemical reaction networks can be predicted using SBA based on network topology. Suppose that a network composed of…
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Exploration of soliton solutions of the nonlinear Kraenkel-Manna-Merle system using innovative methods in ferromagnetic materials
By utilizing Eq.(3) into the Eq.(1) with \(h_{1}=0,\) we achieve
$$\begin{aligned} \left\{ \begin{array}{c} \omega M^{^{\prime \prime }}-MN^{^{\prime }}=0, \\ \omega N^{^{\prime \prime }}+MM^{^{\prime }}=0. \end{array} \right. \end{aligned}$$
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Quantum tunneling mystery solved after 100 years—and it involves a surprise collision
Recently, Professor Dong Eon Kim from POSTECH’s Department of Physics and Max Planck Korea-POSTECH Initiative and his research team have succeeded in unraveling for the first time the mystery of the ‘electron tunneling’ process, a core concept in…
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Take the Big Mysteries in Physics Survey
• Physics 18, 140
Did time start at the big bang? What happens if you fall into a black hole? What explains the mysterious dark matter? Weigh in on the toughest questions facing physicists today.
Ricardo/stock.adobe.com;…
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Let’s Twist Again: Seeing Spin Spirals in Action
• Physics 18, 139
Using ultrafast x-ray pulses, researchers have probed the chirality of spin spirals in synthetic…
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Breaking the Speed Limit: High-Speed Optical Coherence Modulation With Lithium Niobate
Overcoming conventional technological limitations to realize high-speed optical coherence modulation at 350 kHz. Structured light fields possess a wide range of unique and powerful characteristics. By gaining greater control over their optical…
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An ‘impossible’ 20-electron molecule challenges 100 years of chemistry
For over a century, the well-known 18-electron rule has guided the field of organometallic chemistry. Now, researchers at Okinawa Institute of Science and Technology (OIST) have successfully synthesized a novel organometallic compound that…
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Effect of ferrite content and temperature on the magnetic properties of Fe@SiO2@Mn-Zn-ferrite SMC materials
Characterization of the structure of Fe/SiO2/Mn-Zn ferrite samples
The ferrite powders predominantly exhibited particle sizes ranging from 1 to several micrometers, as illustrated in Fig. 1a. Although larger ferrite particles (up to ~ 10 mm)…
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