article_snippet: An algorithm then converts this energy into 'computer processing time on a A Bitcoin mining rig' - or how much computer power would be needed to mine the virtual coins.
article_snippet: An algorithm converts this energy into 'computer processing time on a Bitcoin mining rig' - or how much computer power would be needed to mine the virtual coins .
highlights_snippet: Algorithm then converts how much energy into 'CPU time on a Bitcoin mining rig'
  During a demo the designers earned five cents for four minutes activity .
  