Of the methods mentioned in the *Nanomechanical Principles* chapter "Helpful Household Tips: One Hundred and Eight Ways to Shut Down Nanomachines," the vast majority were unsuitable for Shen Feng's current situation.
For example, forging it in temperatures of two thousand degrees for at least five minutes, soaking it in highly corrosive aqua regia for seventy-two hours, or zapping it with a strong electrical current.
Most were on par with household tips like using soda to scrub a sink—technically possible, but utterly impractical.
Only seven or eight were actually usable for Shen Feng right now.
But that was more than enough.
Aside from an electromagnetic pulse, the most convenient and fastest method available was high-frequency sound waves.
