22. Recovering a scratched CD or DVD

Improve a scratched CD or DVD with a banana peel. Rub the white side on the surface, then wipe clean with a soft cloth. The natural wax can fill light scratches, improving playback.
Advertisement
Recommended Reading: Unbelievably Perfect Animal Photos That Look Edited
Applicable across domains.
Energy-efficient idea.
Honest about constraint surfaces.
Triggers productive curiosity.
Good candidate for internal evangelism.