iam always amaising to see,when key are any thing else drop/fall on ground incidentally by my hand it alwaysfind in below the almirah.
wheather it is matter/cause of of
1air pressure
2 force of attration in dark is greater/below almirah than that of out side of the almirah
3 any relation ingravitational force to airpressure/enveronmntal pressure.
4 IT LEADS TO WAVE NATURE OF GRAVITY
