What excites you recently ?
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Not me, but my roommate. He was fed up of the door being kept open most of the times. Being in hostel, it is Mission Impossible to have automatic door closers.
So, he came up with this idea of “Automatic Door Closer” [ sasta version]
Apparatus: A 2L water bottle (semi filled), a clothes hanging rope.
And voila, here is the result
In the video: He himself demonstrating how it works 😋
credit:https://www.quora.com/What-have-you-done-recently