In 1997 Andy Green was the first to break the sound barrier in his car Thrust SSC, which reached speeds of over 760mph. Now he and his team want to push things even further with a car called Bloodhound, designed to reach the dizzy heights of 1,000mph, about 1.3 times the speed of sound. Ben Evans explains how maths is used to build this car.

We are proud to present the winners of the Plus New Writers Award 2009. The winners were chosen by our three prominent judges for each of the three categories — schools, university and general public.

Read the winning entries now!