Jim, a grandfather-of-two, who lives with wife Winifred, said: "It works on the principle that the warmer the water, the quicker it changes colour
He revealed that the pale blue fruit salad-flavoured ice-cream has been sprayed with a fully edible spray, called the elixir of love, which changes colour
due to several factors, like, temperature, oxidation and the acidity of the tongue.
The film changes colour
instantly and permanently, in direct proportion to the actual pressure applied.
New packaging containing a sensor that changes colour
when seafood spoils has been designed to hit supermarket shelves.
The cascading greenery will form an eye-catching addition to the urban skyline, animating the facade of the building as the planting changes colour
and intensity with the seasons.