Hello Warstek friends, who here likes to skip college? let’s confess? Don’t like to skip class, guys, it’s not fun to miss subject matter, unless you’re as genius as Einstein . Anyone as genius as Einstein ever skipped college? how come? let’s find out the answer in this article, check it out! Lecture material that looks out of date Einstein was not really a lazy student, he just felt the professor focused too much on the historical… Read More »What? The Genius Einstein Often Skips College? How come?
Generally, most people know salt is only limited to cooking spices and complementary flavors of a dish. However, the results of the research shown by the The Indonesia National Institute of Aeronautics and Space (LAPAN) research team were able to reveal another benefit of salt, namely as fuel for rockets. Indonesia itself is the second country in Asia that has succeeded in making and developing rockets after Japan. Mastery of rocket technology… Read More »Is it true that local salt can potentially be used as rocket fuel?
Cow Ancestor Cattle is a general term referring to the four-legged mammal of the genus Bos which was the domestication of the long-extinct wild auroch ( Bos primigenius ). In general, there are two types of domestic cattle that are commonly raised by humans: humped cattle ( Bos indicus ) or commonly referred to as zebu cattle originating from Asia and humpless cattle ( Bos taurus ).) or commonly referred to as taurine cattle originating from… Read More »History of Cow Domestication
Let’s Get To Know Space Biology (Astrobiology) For those of you who like watching Korean dramas, of course you have watched ” The Silent Sea “. You may be familiar with the character of Dr. Song Ji-an (Bae Doona), Han Yun-jae (Gong Yoo), and more. For those of you who haven’t watched the drama, Dr. Song is a biologist who studies extraterrestrial life. In the drama, Doctor Song (Bae Doona) is a very famous astrobiologist in Korea. The… Read More »Let’s Get To Know Space Biology (Astrobiology)
Hello warstek friends, I hope you are given health. As we know that outer space is indeed a lot of interesting cosmic events to be studied. One of the cosmic events that occur is a star explosion. This star explosion is indeed one of the ways in which a star dies. Star explosions are divided into several types depending on the specifications of the star itself. So what is it? Nova It should also be noted that Nova… Read More »There are various types of star explosions, what are they?
Mutations are changes in the DNA sequence. Mutations can result from incorrect copying of DNA made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or viral infection. Germ line mutations occur in egg and sperm cells and can be passed on to offspring, while somatic mutations occur in body cells and are not inherited.  Since the first half of the twentieth century, the theory of evolution has been… Read More »Non-random Mutations: A New Challenge to Evolution
Have you ever seen a plastic food or drink container with a BPA free label? Why should you choose a container for eating or drinking with this label? Currently, plastic has become an inherent material used as a container for eating or drinking. Many children and adults store food and drinks in plastic containers and often these containers are filled with hot food or drinks. One of the plastic materials commonly used as… Read More »Contamination Dangers of Bisphenol-A (BPA) for Health
Food cans , such as fish sardines canned a product of food processing that is not strange to us . Food cans have aged shelf long because through the process of sterilization that can shut off almost 100 percent of bacterial pathogens in it , as well as the tin itself is hermetic / watertight air so as to protect the food in it . Due to the age save a quite a long time, food can often be used as a food emergency during disasters , or food for the need to survive life in nature such as camping or hiking the mountain . In such conditions it is not uncommon for canned food cooked together using the can as a container for cooking . The question is , if things are safe ? Although the packaging cans have long accepted the consumer , still there are concerns would be the migration of compounds certain are used for coating / plating i part in the cans to the food . Compounds which usually can migrate from cans to the food inside is DGEBA or Diglycidyl Ether of Bisphenol A . Polymer epoxy Berba sis DGEBA often used in packaging cans as resistant to a variety of solvent / solvent and can bind with various material packaging , especially metal . DGEBA can migrate to the ingredients of food when the packaging cans heated , because it does not recommended for cooking food cans using container tin . DGEBA itself is a toxic component for humans that can cause cancer if exposed to large amounts. It is reinforced by the statements of Scott McCarthy, Director of the Division of Communications Strategic of Ball Corporation, a company of origin State of Uncle Sam who manufactures packaging cans , in an interview with Scientific American . He said that the can packaging is packaging that is strong , can be in the cycle repeated ,and lasting long so it can keep drinks and food remains fresh and it is possible to at distribute to secure as far as thousands of… Read More »Is it safe to cook canned food using the cans?
Turkish court sentenced a researcher for disclosing research results related to the risk of cancer due to toxic pollution. The court in Istanbul on Thursday (9/26/2019) sentenced 15 researchers to prison sentences named Dr. Bulent Sik. Dr. Sik was found guilty of “leaking classified information” to a Turkish newspaper called “Cumhuriyet” last year. Dr. Bulent Sik and Cumhuriyet Newspaper Pollution from the Industrial Innovation zone, about 80 kilometers from Istanbul and home to many chemical… Read More »Disclosing the Risk of Cancer due to Pollution, Researchers Sentenced to Prison
Tumors, Source: Medical News Today Cancer is one of the deadliest diseases in the world. The mastermind behind this deadly disease is none other than a tumor  . During this time, the tumor was eradicated by chemotherapy in a “blunt”. However, as we know, tumors are living things, which certainly have an instinct to avoid danger. In addition, the current chemotherapy treatment system can also harm other cells in the body  . Then how to overcome it? On… Read More »Like a Ninja, this medicine can eradicate tumors quietly
Figure 1. Twitter User Illustration  As a social media platform that has been launched for quite a long time, since 2006, Twitter still has many loyal users today. In fact, the popularity of Twitter penetrated into the platform – a platform other social media. This is evidenced by the many screenshots nudge and thread from Twitter scattered Instagram accounts, posting Line, to the Facebook page. According to loyal users, the simple features offered by Twitter actually become a special attraction, because they can freely… Read More »Learn How to Identify Depression and Anxiety Levels through a Twitter Account
Coal is a cheap and abundant natural resource. Coal is generally used as a fuel for steam power plants (PLTU). Total world coal reserves in 2017 reached 1.035 trillion tons consisting of 718.3 billion tons of anthracite and bituminous coal types and 316.7 billion tons of sub-bituminous and lignite coal  . America, Russia, China and Australia are the countries that have the most coal reserves compared to other countries. However, Russian coal production is smaller… Read More »Coal as a Raw Material for Making Carbon Nanotubes (CNT)
Figure 1. Laying of the First Stone for the Construction of the Timau National Observatory. (Source: Lapan.go.id) Indonesia will enter a new era of space, marked by the start of the construction of a modern astronomical observatory on Timor Island, East Nusa Tenggara by the National Institute of Aviation and Space (LAPAN). From information on the LAPAN website, the groundbreaking of the observatory construction has been carried out by LAPAN’s Deputy for Space… Read More »A New Era of Indonesian Space, Largest Observatory in Southeast Asia Founded
Congestion or traffic jam is one of the main problems in cities around the world. Motorized vehicles are easier to obtain while roads are increasingly difficult to widen. The drivers also do not know which is the best road they should choose because traffic is difficult to predict. One solution is to use CCTV to monitor, but this solution requires considerable human resources and costs. For this reason, Dwi Aji Kurniawan, a UGM… Read More »Twitter as a Traffic Jam Solution
Indonesia before the proclamation of independence was a collection of kingdoms. According to various history books taught in schools today, the ancestors of this nation were colonized for 350 years by the Dutch. One factor that makes the colonial period prolonged is the lack of advanced defense technology in the kingdoms of the archipelago. Many objections have arisen related to the uncertain length of occupation. However, the rebuttal narratives related to defense technology are… Read More »Defense Technology of Kingdoms in the Indonesian Archipelago: Breaking the Wrong Primitive Images