Thinh Nghiem

In school, I had chance to learn about the movement of the gyroscope, its orbits, dynamic energy etc.However the spinning direction  was not referred to.Recently I played with a spindle,...

Hello all, Recently when learning programming language, I accidentally found out an interesting relationship between prime number and Fibonacci number. That is, a positive integer number can be analyzed as...

Dear all, I have an amusing experiment with my smart phone charger. That is, after charging it fully, I connect its input and output toghether, and get surprise result. Could...

I have an experiment to transfer solar energy to mechanical energy. First of all is a cone inspired by an axis. On the cone are two tiny cups of water....

Dears, I have interesting model here I need your opinions to improve it so that it will never stop, and run permanently Thanks

I have an interesting game. I arrange Chinese chessmen into international chess board and play normally with its rule. Of course there is some drawback for the pawn. Since there...

But at least it is helpful in technical. I have plan to improve my model so that it can rotate longer, for example 1 hour. Do you think it is...

I simply estimate like this Input energy came from the force of my hand to turn the cylinders so that their magnets face each other. And the output work results...

First of all, I would like to say that this model is NOT a perpetual motion. It will stop eventually. What I want to say here is that the output...

Hi Ramani, It's will be a way, since the resources of fuel in the worlds are exhausting