With the technology growing at skyrocketing speeds, it is only natural that we tend to look at and wonder at some not-so-crucial things. The reason behind pendrives and hard disks having lesser storage than they promise and knowing what Facebook has in its latest update is now a matter of curiosity.
Believe it or not, some things ain’t that useful to be known, but it is fun to read about the WHY part. No matter how much vague something appears, it is always there for a reason. Same is the case with the small cylinder at the posterior end of your laptop’s charger. I know, you only notice it now. That’s how ignorant we humans are!
Read on to know what is the use of the tiny cylinder.