Czech TEST IN LABORATORY!!!! We have examined a few tests, and there are. small black things in the stick Fibre in contact with water or moisture Reacts & Absorbs solidify & no longer move. Fibre responds to heat & move (Grows & Retracts.) when in contact with it! original source: https://t.me/ceskadomobrana/6698 Nano Fibres? (Magnetic nanofibers) Nano Particles?