Picture of First, follow the schematic to build the free energy circuit
It's always fun to solve brain teasers, and it acts as a good activity to exercise your brain, keeping it fit. Here are a collection of brain teasers along with some tips on how to solve them without much difficulty.
PD-100 Black Hornet: Minuscule Spy Choppers
It is very easy to find wifi password using cmd. This command works even though you are offline or you are connected to some other wifi network.