COVID-19 has been declared a global pandemic by WHO, which means that the disease outbreak has spread so widely. Many countries are implementing lockdowns as a way to reduce the spread of this virus, so that human contact is limited. Buildings, office centers, malls, recreation areas, campuses and schools were closed. All work and study...Read More

People in Jabodetabek, even to South Tangerang on Saturday morning were shocked by the sound of a loud bang or eruption, whose source is still a mystery. The pounding was so real, some people reported, a tremor was felt in the doors and windows of the house. What and where do you think the sound...Read More

Blackout ibarat serangan jantung yang dapat terjadi kapan dan dimana saja. Setelah “operasi jantung” dilakukan, ada dua indikator si pasien dikatakan sehat. Pertama adalah detak jantung yang stabil, dan kedua tekanan darah pada batas normal. Dalam kasus blackout kemarin, detak jantung dapat dianalogikan sebagai frekuensi sistem dan tekanan darah sebagai tegangan sistem. Dua indikator inilah...Read More