Episode 28 of the Wonder of Stuff... Something Old, Something New

Episode 28 is out and covers some new topics; Gastrophysics and Examining Europa and some catchups on some stories that we've covered before; Synthetic Photosynthesis, Food Technology and live coverage of the unveiling of the LightSail sails! http://wonderofstuff.blogspot.co.uk/2015/06/episode-28-7th-june-2015.html