A teenage engineer from England has won several awards at science fair in the United States for a device which could be used to save lives.
James Popper, 18, from Wiltshire, has been praised by fire chiefs for the design, which detects kitchen fires without setting off false alarms.
He was inspired to develop the device after an elderly friend with dementia had a devastating kitchen fire.
About 1600 students took part in the Intel International Science and Engineering Fair in San Jose last week.
The BBC reports the CookerSmart design detects the infrared in flames, reducing the likelihood of false alarms.
The Marlborough College student won accolades including the best of category award for Electrical and Mechanical Engineering, and an invitation to the Stockholm International Youth Science Seminar.
He also came first in the US Government Patent and Trademark Office Society Award and was the winner of the United Technologies Corporation Prize.