A team of engineers from Newcastle University could be advising rail industry chiefs on the best design approach for bomb-proof trains.
Conor O'Neill, who led the research has admitted that replacing the current trains 'isn't an option'.
He said: "What we've shown is that companies could make some relatively cost-effective and simple modifications that would significantly improve the outcome of an attack."
More top news
A possible ninth planet at the edge of the solar system could be the reason behind one of the biggest mysteries in astronomy.
Philip Thomas was a 10-year-old pupil at Pantglas Junior School in Aberfan when a coal tip collapsed and slid downhill.
The chief executive's resignation comes amid controversy about allegations of doping in cycling.