The Organization of the Islamic Cooperation and the Conflict in Southern Thailand

<p>The current wave of insurgency in the southern provinces of Thailand, where the majority of population are Muslim, sparked up in 2004 but shows no sign of ending in the near future. The insurgency caused by the conflict in the region which, along the time, has risen and fallen depending on surrounding circumstances. Given the scale and intensity of the conflict, it has increasingly attracted the attention of the outside world especially the Islamic world since the conflict is believed to be connected with religious elements. Despite of this, no specific Islamic countries have played a direct role in intervention in the conflict. The only intervention involved in the conflict was carried out by the OIC, a representative of 57 Islamic countries. This essay attempts to examine the intervention of the OIC into the conflict in the southern provinces of Thailand in the name of Islamic countries in order to protect the rights of Muslim minorities as it claims and will explore the consequences of the tension between the OIC’s mission to uphold these rights and sovereign states.</p>

The Organization of the Islamic Cooperation and the Conflict in Southern Thailand

<p>The current wave of insurgency in the southern provinces of Thailand, where the majority of population are Muslim, sparked up in 2004 but shows no sign of ending in the near future. The insurgency caused by the conflict in the region which, along the time, has risen and fallen depending on surrounding circumstances. Given the scale and intensity of the conflict, it has increasingly attracted the attention of the outside world especially the Islamic world since the conflict is believed to be connected with religious elements. Despite of this, no specific Islamic countries have played a direct role in intervention in the conflict. The only intervention involved in the conflict was carried out by the OIC, a representative of 57 Islamic countries. This essay attempts to examine the intervention of the OIC into the conflict in the southern provinces of Thailand in the name of Islamic countries in order to protect the rights of Muslim minorities as it claims and will explore the consequences of the tension between the OIC’s mission to uphold these rights and sovereign states.</p>

Experimental Investigation of Surge Propagation Characteristics on a Substation Grounding System

With the correct choice of the arrester by voltage class and compliance with the calculated protective distance without taking into account the propagation velocity of the current wave on the grounding grid, overvoltages exceeding discharge or residual voltage may occur on the protected equipment, in particular the transformer. Thus, when calculating the installation of the arrester that protects the substation from incoming lightning surges from a transmission lines, it is necessary to take into account the propagation of the current wave on the grounding grid. The propagation velocity of electromagnetic waves in a 150 kV substations grounding grid was measured. The measured wave propagation velocities are in the range of 50–100⋅106 m/s. Thus, the obtained velocity of wave propagation on the grounding grid used in service is several times less than the speed of light. The measured value correlates well with similar experiments conducted for buried conductors located in soils with similar parameters and the results of mathematical modeling for a grounding grid having similar dimensions and mesh size.

James Baldwin in the Fire This Time

William J. Maxwell, editor of James Baldwin: The FBI File (2017), interviews Bill V. Mullen on his 2019 biography, James Baldwin: Living in Fire, along the way touching on both Baldwin’s early internationalism and his relevance to the current wave of racial discord and interracial possibility in the United States.

Estimation of voltage waveform at top of transmission line tower struck by lightning of negative and positive polarity

The object of research is a circuit that simulates a lightning strike to a tower of 220 kV power transmission line, taking into consideration the reflection of a current wave from 10 nearest towers. Computation of the voltage arising at the top of the struck tower is necessary further to determine the lightning performance of transmission line by various methods. The lightning current has several maxima, in the case of a positive impulse polarity and, accordingly, several minima, in the case of a negative polarity, which are generally being called peaks. In addition, the lightning current impulse has a non-constant steepness in the entire area of current rise up to the first peak. The approximation of the real lightning current by simplified mathematical expressions cannot take into account all its real features. For a more detailed study of transient processes caused by thunderstorm activity, there is a need to use oscillograms of real lightning currents when modeling. The problem of determining the voltage at the top of the stricken transmission line tower was solved using circuit simulation. For an in-depth study of how the shape of the lightning current impulse affects the shape of the voltage at the top of the tower struck, digitized oscillograms of real lightning currents were used. The simulation was carried out for 7 negative lightning impulses with the first peak varying from –33.380 kA to –74.188 kA. In the case of positive lightning, 3 oscillograms were used with the first peak varying from +38.461 kA to +41.012 kA. The article shows that the shape of the front of the lightning current impulse and the amplitude of the first peak of the lightning current have a decisive effect on the maximum voltage value at the top of a power transmission line tower struck by lightning. The maximum voltage occurs precisely at the front of the current wave before the first peak of the lightning current. Therefore, the back flashover of the insulation from the tower to the phase conductor is most likely at a moment in time at the front of the current wave. By the time the maximum current is reached, the voltage at the top of the tower will be reduced by several tens of percent, compared to the maximum voltage at the tower, which occurs much earlier at the front of the current wave. The conducted research contributes to the development of methods for calculating the lightning performance of power lines and extends the scope of application of circuit simulation programs.

Digitalization in Thermodynamics

Digitalization is about data and how they are used. This has always been a key topic in applied thermodynamics. In the present work, the influence of the current wave of digitalization on thermodynamics is analyzed. Thermodynamic modeling and simulation is changing as large amounts of data of different nature and quality become easily available. The power and complexity of thermodynamic models and simulation techniques is rapidly increasing, and new routes become viable to link them to the data. Machine learning opens new perspectives, when it is suitably combined with classical thermodynamic theory. Illustrated by examples, different aspects of digitalization in thermodynamics are discussed: strengths and weaknesses as well as opportunities and threats.

Understanding soaring coronavirus cases and the effect of contagion policies in the UK

The number of new daily SARS-CoV-2 infections is frantically rising in almost every country of the EU. The phenomenological explanation offered is a new mutation of the virus, first identified in the UK. We use publicly available data in combination with a controlled SIR model, which captures the effects of preventive measures on the active cases, to show that the current wave of infections is consistent with a single transmission rate. This suggests that the new SARS-CoV-2 variant is as transmissible as previous strains. Our findings indicate that the relaxation of preventive measures is closely related with the ongoing surge in cases. We simulate the effects of new restrictions and vaccination campaigns in 2021, demonstrating that lockdown policies are not fully effective to flatten the curve. For effective mitigation, it is critical that the public keeps on high alert until vaccination reaches a critical threshold.