To paraphrase Doc Brown "I'm sure in 2010 false ears are available at every corner joke shop, but in 1955 they're a little hard to come by."
This page might be helpful if you are serious about giving it a go :
http://www.binaural.com/binfaq.html
This might be a helpful page for trying to fake the effect :
Here the BBC have a go at a rather chilling Sci-Fi scenario in binaural.
http://www.bbc.co.uk/blogs/radiolabs/2009/10/binaural_audio_for_planet_b.shtml