5 minutes in space - Black Holes 2

What are black holes? 5 minutes to explain what a black hole is using silly putty, a pop up book, trance music and a pint of beer.What are black holes? 5 minutes to explain what a black hole is using silly putty, a pop up book, trance music and a pint of beer.What are black holes? 5 minutes to explain what a black hole is using silly putty, a pop up book, trance music and a pint of beer.