Just about every electronic device has some silicon semiconductors inside these days—from transistors to diodes to integrated circuits. [Charles] is trying to build a “No-Silicon digital clock” that ...

This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

Waking up to a loud alarm on your smartphone is not a fun way to get up in the morning. Plus, there’s growing evidence that having a smartphone in the bedroom may be wreaking havoc on our sleep. This ...