• Question: is there a rubber type material that can get smoother or harder via electric current running through it or it touching something with great force

    Asked by ree.kian to Martin on 14 Mar 2019.
    • Photo: Martin McCoustra

      Martin McCoustra answered on 14 Mar 2019:

      This is quite an interesting question. If you think about it muscle is rather rubbery and behaves in the way you describe… it expands and contracts are electrical current is applied. We can make plastics (jelly like plastics) that do the same. You probably will be able to find a video by searching on Google. The plastics themselves are relatively simple though we can’t use plastics like polystyrene or polythene to do this.