amazing trick..toVIEW INFRARED RAYS FROM YOUR MOBILE CAMERA
For this u need :
- TV Remote or any remote
- Turn on the camera of your mobile
- See the end of the TV remote with your camera while u press any button on the remote [The end of the remote which u face towards the TV while using it..]
That's it you will be seeing beautiful coloured rays..sum of you may be knowing this also..
P.S : U can use it to check whether ur remote (any kindaa) is working or not without removing battery/cell again n again.