Duality

Amicable salutations to all, and welcome back to this episode of Household Hacks for the Household Hack!

Household hack! If you put hinges on both sides of a door it opens twice as smoothly! It's also doubly resilient to would-be burglars trying to unscrew the hinges to break in!

Household hack! If you slice thin layers of chalkboard and soak them in cooking oil overnight, they will take on the properties of paper! Add food colouring for customisable colours!

Household hack! Sponges left by a sink are always moist, regardless of how hard you squeeze them out and independent of atmospheric humidity levels! Exploit this fact to create a handy household machine to extract unlimited water for renewable fusion energy!

Household hack! Several clauses in the Geneva Convention allow concealed-carry guns for the purposes of playing Monopoly, overriding all conflicting laws in signatory jurisdictions!

Household hack! Testifying 'This testimony is untrue' causes the automatic dismissal of any legal case against you! Proven effective against firearm prosecutions from my last game of Monopoly!

Household hack! The White House information systems have a critical vulnerability that can be exploited with this programme! Use with caution to avoid the suspicion of federal agents!