How to hide door in plain sight
SEP 22, 2008
DOI: 10.1063/PT.5.022708
Nature : Xudong Luo and his colleagues at Shanghai Jiao Tong University have now figured out how the hidden entrance to the railway platform that Harry Potter uses to get to Hogwart could be made real. In two preprints, they describe a method for concealing an entrance so thatwhat looks like a blank wall actually contains invisible openings.
© 2008 American Institute of Physics
