This easy trick can easily be done by your and your friends!
The concept is simple, Roll up a post-it note and make sure it stays in a 45 degree angle above a cup.
Now light the end of the postit on fire and observe!
This easy trick can easily be done by your and your friends!
The concept is simple, Roll up a post-it note and make sure it stays in a 45 degree angle above a cup.
Now light the end of the postit on fire and observe!
