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Electrorheology

 

Cornstarch in peanut oil.

 

Dip uncharged electrodes.

 

Dip charged electrodes.

 

Discharge electrodes with metal rod.

  • QuickTime movie of the electrorheological properties of corn starch in oil.

  • With the power off, no material sticks to the electrodes; it drains away as the electrodes are removed.

  • With the power on, material solidifies around the electrodes as they are removed.

  • The material stays attached until the electrodes are shorted; then, it drains away.