Eighth-grade engineering students uses physics principles to build marble roller coasters at Pleasantville Middle School in Westchester County, NY.

I don’t know about you, but finding a set of coasters that actually feels worth displaying can be weirdly hard. Too often, they’re either purely practical—those plain cork ones that come in multipacks ...

Whenever someone brings up the need and importance of coasters, I remember Monica Geller from Friends. Being the obsessive-compulsive character she is, she freaks out when a cold drink is left to ...

Beyond giving you a dedicated place to rest your glass, a coaster protects surfaces from pesky water rings (and scratches). And the best coasters come with nonslip grip to prevent sliding. From ...