There are a number of variables that can screw up the wi-fi transmission in your house: overall distance, changes between levels, idiosyncrasies between hardware manufacturers, or maddening and unpredictable interference in the walls. If your supposedly “plug-and-play” router is more like hours of “trial and-error” maybe this DIY extender from Discovery Channel is just the ticket. What else are you going to do, use the internet in one set location like it was 2001?
We can only assume the parabolic setup is the same as the increased strength sound is given by the folks on the NFL sidelines holding parabolic dishes.
I’d add onto the list of ingredients a little masking tape to blunt the edge of the razor sharp aluminum, because, well, you’ve got enough problems with wireless without an emergency room trip, right?
NOTE: We don’t know if this works, it just looked interesting. Please consider these tips, which include a tinfoil parabola.