TECHNOLOGY Simple hack promises to instantly improve your Wifi – using tin foil By admin - November 13, 2017 0 448 Share on Facebook Tweet on Twitter TRYING to make your Wifi signal reach the far corners of your house can be a struggle. But now a team of American scientists has figured out a cheap alternative to expensive booster antennas – and all you need is some tin foil. < !-- END THEIA POST SLIDER --> 1 of 3