A sun-sensor device that measures exposure to ultraviolet (UV) radiation will soon be available for public use.
Invented by Martin Allen, computer engineer at New Zealand's Canterbury University, the UV dosimeter device is designed to prevent skin cancer and can be worn as a wristwatch or pinned to different parts of the body.
The battery-powered measures the wearer's exposure to UV radiation as they move.
Scientists are developing a programme for schools to use the device to teach children about UV radiation.
The children will be taught how to block solar UV radiation by clothing and clouds, and to reinforce the importance of sunscreen and protection from the sun.
Extended exposure to solar UV radiation may trigger acute or chronic health effects on the skin, eyes and immune system.