As a New Yorker, the one piece of garbage that I am most likely to acquire and then throw into an overstuffed landfill is a paper coffee cup, with its ubiquitous plastic lid. In the four blocks ...

As simple as it is, you’d think it would be nigh impossible to improve on the paper coffee cup. After all, as long as it holds coffee without leaking, what’s there to improve? Well, designers Hongseok ...