The CodeChef IDE lets you code right in your browser, making it easy to start practicing with their problem sets. Understanding time and memory limits is key; your code needs to be both fast and ...

The inconvenience of separating plastics for recycling may soon be a thing of the past. A team of Korean researchers has ...

A nickel-based catalyst breaks down mixed plastics without pre-sorting, converting stubborn waste into oils, waxes and other useful products efficiently.