Sports
The Science of Baseball
This one's for the bona fide sports geek. Test your reaction time with a bat, gauge your aim through prism goggles, find out what's inside a baseball, and more. True bro-venture material.
When: Now through 9/5
Where: Exploratorium, 3601 Lyon St.

Music
Avett Brothers
Everyone's still reeling from the Avett Brothers' folky 2009 album I And Love And You. If you like what they can do on an album, you'll love what they do onstage. 
When: 8 p.m., Tues. 7/19 - Wed. 7/20
Where:Fox Theater, 1807 Telegraph Ave., Oakland

Conversation
Burning Man Founder Larry Harvey
This is the time for all of your burning questions. Harvey will enlighten about why he started the whole commerce-free, debaucherous extravaganza that brings together 50,000 burners from all walks of life.
When: 6:30 p.m., Tues. 7/19
Where: Commonwealth Club, 595 Market St., 2nd floor

Art
Marius Watz: Automatic Writing
The SF Film Society gets trippy with software "engineer" Marius Watz. The new-wave media artist uses digital processes and algorithms to automate video, stills, and sculpture.  
When: Fri. 7/22 - Wed. 8/17
Where: Super Frog Gallery at New People, 1746 Post. St.

Music
Wallpaper, The Hood Internet, and A B & The Sea
It's Saturday night—get out and dance.  
When: 9 p.m., Sat. 7/23
Where: Great American Music Hall, 859 O'Farrell St.

Music
SF Symphony at Stern Grove
Bring your parents out for a free afternoon of Beethoven and Tchaikovsky with conductor Michael Francis and pianist Sara Davis Buechner.
When: 2 p.m., Sun. 7/24
Where: Stern Grove, 19th Ave. and Sloat Blvd.