Many things have become possible only because of the various researches and inventions by people in the world today. A laboratory is a primary source of these researches and inventions most of the time, and a lot happens behind the curtains we are not even aware of.
The only thing we mostly do when some new product or facility comes in front of us is use it. But it involves a lot of hard work and preparation behind it that we usually do not see. What actually happens in these laboratories is an interesting topic, and one should have the knowledge of it.