http://news.mongabay.com/2012/0716-freydlin-soccer.html
Mongabay.com
Harvard Alumni Honored for Soccer Ball that Converts Kinetic Energy to Electricity

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2011/09/combining-art-and-science-to-fuel-waters-future " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2009/11/laboratory-at-harvard-opening " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>