“Best before” dates aren’t always the best Shutterstock/Sheila Fitzgerald Biodegradable food packaging could alert eaters that their food is spoiling by changing colour. Date labels put on perishable foods are often poor predictors of when food will become dangerous to eat, which can lead to both food waste and food poisoning, says Benedetto Marelli at … Read more
Squids’ stretchy skin changes colour in response to varying light levels, inspiring scientists to create a plastic that changes its heat absorption when stretched Technology 28 March 2022 By Carissa Wong The Caribbean reef squid Sepioteuthis sepioideacan changes colour to match its surroundings David Fleetham / Alamy A packaging material inspired by squid skin that … Read more
A plastic made from DNA and vegetable oil may be the most sustainable plastic developed yet and could be used in packaging and electronic devices Technology 20 November 2021 Source link