[Davis DeWitt] did just that with a massive mural made entirely from discarded receipt paper. [Davis] got lucky while doing some light dumpster diving, where he stumbled upon the box of thermal ...

Many people think the most dangerous thing that can happen from a sales receipt is a paper cut, but the receipts can actually be far more hazardous than that, and even deadly. The issue stems from ...

Most store receipts are printed on thermal paper, which uses heat-sensitive inks called leuco dyes. When a hot printhead passes over them, these dyes react with an acid developer embedded in the paper ...