Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questionings
Introduce myself and Datarrow:
Hello everyone. How are you all? Come on, you are well in the infinite mercy of the Creator. Now I introduce myself. I am Anirban Ghosh. At present I am studying in 9th class and Narayanganj High School and College. Sometimes I think I understand a little bit more interested in science. The funny thing is, really. The main purpose of creating this website, Datarrow, has to increase the interest of those who are a little more interested in science.
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Why is not the shadow of fire?
There is no shadow of fire because we know that any light emitted from a light source creates shadow when it obstructs an object. And fire itself is the source of light. So there is no shadow of fire.
What types of material are used to make coin?
Coins are money made from metals. In the past, coins were sometimes made from valuable metals such as gold and silver. Today, most coins are made with some combination of copper, zinc, and nickel.
Who is the father of chemistry…?
ANTOINE LAVOISIER (1743–1794): Father of chemistry
If you are asked to identify the father of chemistry, your best answer probably is Antoine-Laurent Lavoisier, who wrote the book, “Elements of Chemistry,” in 1787.
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