You probably think you're being smart about saving energy. You turn off lights when you leave a room. You unplug your phone ...

Great coffee starts with fresh beans. We tested a bunch of coffee grinders to find the most versatile options — only two ...

Cornell researchers have built a programmable optical chip that can change the color of light by merging photons, without requiring a new chip for new colors. This form of nonlinear photonics could ...

Appliances expert Rachael Penn named it the best electric heater overall, praising its multiple functions. “This does ...

This article is part of CNN Underscored’s Guide to Coffee, a two-week focus on everything coffee, from the best methods for brewing it to the best machines to do so and the accessories and gear you ...

The SHARDOR 10-Cup Programmable Coffee Maker offers a budget-friendly entry into the programmable coffee maker market. Priced at $39.99, it boasts features like a 24-hour programmable timer, LCD touch ...

While having powerful projectiles is one important aspect of an effective military attack, one with greater precision is arguably more potent. With the advancement of smaller electronics, more ...