Abstract: This paper explores a novel model for sorted-waste transportation, defined as the two-echelon collaborative location routing problem with intuitionistic fuzzy multi-demands. It considers a ...

For nearly 80 years, mathematicians believed they understood the limits of a famous geometry puzzle first posed by legendary Hungarian mathematician Paul Erdős. Now, an AI model developed by OpenAI ...

Japan and Taiwan have enviable care systems because they had the courage to plan – some solutions are radical, most are hiding in plain sight It’s mid-afternoon in Fujisawa. Schoolchildren, rucksacks ...

Extend existing maths knowledge – and generate LOTS of correct answers – with this lesson plan from Jo Austen which focuses on goal-free problems. As with so many elements of teaching, there isn’t a ...

The word contains no repeating letters. The objective of Wordle is to figure out a five-letter word in six attempts. As you make guesses, the tiles will change colours, providing hints about which ...