not impossible: http://news.mit.edu/2016/computational-imaging-method-reads-closed-books-0909 http://news.mit.edu/2016/computational-imaging-method-reads-... b

not impossible: http://news.mit.edu/2016/computational-imaging-method-reads-closed-books-0909 http://news.mit.edu/2016/computational-imaging-method-reads-... but probably not ready for use in airports yet, either.