Whether you share one credit card account or you juggle multiple cards at once, managing credit cards with a partner requires a lot of coordination. It’s not just about day-to-day spending decisions ...

Researchers at Columbia have created a chip that turns a single laser into a “frequency comb,” producing dozens of powerful light channels at once. Using a special locking mechanism to clean messy ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...