Fire from Sunlight with a magnifying glass is possible?
We all are grown up by watching some TV serials where we had seen Fire from Sunlight with a magnifying glass. We were amazed that how it could be possible!…
What is white noise? Why it is best for sleep?
Noise is a very irritating sound. But there are some noises which are really good for us and good for sleep. They are called white noise. In this article, we…