Harry Potter eat your heart out! Scientists develop a 6ft 'invisibility megashield' that can hide multiple people by bending light - and you can buy one for just £699<br /><br /><br />Most people who grew up reading the Harry Potter book series have dreamed of owning their very own invisibility cloak. <br /><br />Now, that dream can become a reality, as scientists have developed an 'invisibility megashield.'<br /><br />The £699 shield uses a precision engineered lens array to bend light, rendering objects behind it almost invisibile. <br /><br />
