This blog features the general topics of science and engineering. The most luring feature of this blog is that it gives answers to question of type "Why it is so , or why this happens " etc.
Sunday, 6 September 2015
Unbelievable !!! Metal needle can float on the water
If you disturb the water very much then your metal needle will sink into the water.
Higher the surface tension of the liquid more weight it can float.
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