Nokia had a project to charge mobile phones from ambient radio waves.  But they had real engineers and scientists and  even though it actually worked they reported how badly it worked.  That is, the charging rate was so low that only the simplest mobile could be charged with it.  I think they used a modified Nokia 100 or something similar.  See this &#x27;article&#x27; on Gizmodo: <a href="http:&#x2F;&#x2F;gizmodo.com&#x2F;5285565&#x2F;nokia-developing-wireless-accessory-free-ambient-charging" rel="nofollow">http:&#x2F;&#x2F;gizmodo.com&#x2F;5285565&#x2F;nokia-developing-wireless-accesso...</a>