THESE students cracked a challenge to come up with the best idea for how to make Portsmouth a smarter city.
Pupils from schools across the area were invited to pitch proposals on how to use technology to solve everyday problems.
The event was part of Lord Mayor Councillor Cheryl Buggy’s Passport to Success programme and was set up by IBM.
The winning group, from Charter Academy in Somers Town, scooped a prize for having the best plan.
Organiser Joe McGoldrick said: ‘Their idea was to use a traffic light system on food packaging depending on when the food’s sell-by date was.
‘They knew people often reach to the back of the supermarket shelf to get food with a longer life and thought up a system where food with a shorter life would be cheaper when you take it to the checkout.’