This post is co-authored by Ron Riggio and nonverbal communication expert Alan Crawley. When and why do we clap? We get startled, and we clap. We try to get our dog’s (or our child’s) attention, and ...

But one particular part of the house has been the bane of our existence — the basement. It's moderately creepy down there, ...

When the temperature drops, a lot of homes suddenly sound like they are hosting a flock of electronic birds. Those short, ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...