Deflecting earthquakes with acoustic waves
The idea is to investigate ways to make objects 'invisible' to earthquakes by applying some of the same principles involved in the light-bending cloaking technique used to render objects invisible.
The cloaking technique works by bending light of specific frequencies around the object meant to be hidden. I propose the idea of drilling a precisely tuned system of boreholes around an earthquake-prone city (or vital building like a power plant or hospital). In theory, the boreholes would resonate at the same frequencies common to earthquakes, lessening the vibrations of the quake and helping to protect the structures.