Something important to the world from Sri Lanka ..

 Advantages and disadvantages of biogas. (I use Google Translate because my knowledge of English is very limited. Point out any errors. Thank you.)      First we will talk about what biogas is. It stinks when something goes bad. That smell is because when they go bad, something new comes out of it. That's what we use to make biogas. But if you take biogas, it can't go bad under normal conditions. They have to go bad in an environment without oxygen. That's when biogas is formed. The scientific name for them is methane. So what do we do with biogas?      The advantage we get from biogas is that we lose the gas bill that comes to our house. We can make the amount of gas we need at home using what is left over from the food we eat everyday. It is possible to produce the required amount of gas per day from 4 kg of food waste.      The second advantage we get from this is that we can recycle food waste. We can do important work with just rubb...

A water pump built in the fifth century AD that still works today (I use Google Translate because my knowledge of English is very limited. Point out any errors. Thank you.) This article is often of interest to archaeologists or anyone interested in it. There are many places in Sri Lanka that you can visit for fun or for an adventurous experience and I hope to write about that later.      It is believed to have been built in the 5th century AD by King Kasyapa, a Sri Lankan king. It is located in the Dambulla area and belongs to the Central Province. The specialty of this palace is that the entire palace is located on a very high rock. The amazing thing is the technology that carries the water over the rock. The most interesting part of this system, which does not use water pumps or any other energy source, is that the water flowers in the water park are still active today.      A type of poem which is believed to have been written by those who visited this p...