Technology

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 [1] . 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)

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

Amid growing climate change issues and increasingly severe air pollution, efforts to transition from fossil fuels to clean energy are continuing. Of the clean energy modes available, renewable energy gets the biggest attention. Solar panels and wind turbines are considered to be the Messiah for planet Earth. Germany confidently runs the Energiewende program, which they intend to rely on only renewable energy coupled with leaving nuclear energy altogether by 2022 [1]. Not to… Read More »What if Renewable Energy Investment is Diverted to Nuclear Energy?