[wbill]

He calculates it could stop a car travelling at 80 kilometres per hour in a distance of just 5 metres, using just one third of a square metre of the substance.

That'd be kind of hard on the passengers, wouldn't it?

[Joe 6-pack]

"He calculates it could stop a car travelling at 80 kilometres per hour in a distance of just 5 metres, using just one third of a square metre of the substance."

A well placed telephone pole will stop a car in an even shorter distance than that.

[RobRoy]

Hit the brakes with these babies and, without hitting anything, your car looks like an accordion. With you somewhere inside.