Magnetic silly putty engulfs a rare earth magnet

Available on eBay & Think Geek. / thinking silly putty flow fracture fast slow magnetic plastic stretch stretching molecules realign themselves with the direction of motion shatter speed time liquid spread moderate timescales stretches plastic solid short timescales bounces elastic solid very short timescales time scale impact high-speed projectile smart mass putty shatters dilatant compound solid under the influence of pressure Oobleck chemistry majors behaviors behaviours listed above are an example viscosity resistance to flow increases faster than the strain rate concentrated aqueous corn starch suspension oobleck /