You may have played with a yo-yo before -- perhaps you’ve even walked the dog -- but do you know about the physics behind what makes a yo-yo sleep and wake up? Learn all about inertia, angular momentum and the history of the yo-yo in this episode of SYSK.

YO! Y'all gotta come check out the National Yo-Yo Museum in Chico. It's totally dope.

Eric Lindeen (Sweden) was able to keep a total of eight yo-yo's spinning simultaneously up on hooks at the studios of Guinness Rekord TV, Stockholm, Sweden on 28 November 2001.

If you don't know XX Teens, check out their music video DARLIN'. The former art school students hail from London and they released their debut album Welcome to Goon Island earlier this year.

Hits Of Broadway Teens - My Defenses Are Down This is the 15th track from the album Hits Of Broadway Teens. Released: 2009 Genre: Soundtrack "MMO Group, Inc."

Hits Of Broadway Teens - My Defenses Are Down This is the 5th track from the album Hits Of Broadway Teens. Released: 2009 Genre: Soundtrack "MMO Group, Inc."

Hits Of Broadway Teens - Try To Remember This is the 8th track from the album Hits Of Broadway Teens. Released: 2009 Genre: Soundtrack "MMO Group, Inc."

Hits Of Broadway Teens - Try To Remember This is the 18th track from the album Hits Of Broadway Teens. Released: 2009 Genre: Soundtrack "MMO Group, Inc."

Rachel & Tristin have nothing but trouble brewing up under their sleeves. What will happen to Kimo and Lelani once Rachel has her way and with Tristin scheming his plan to get Lelani while still dating Joy, the party is sure to bring lots of surprises in store for everyone at PARADISE HIGH. In...

Hits Of Broadway Teens - Summer Nights This is the 9th track from the album Hits Of Broadway Teens. Released: 2009 Genre: Soundtrack "MMO Group, Inc."