Golf is a sport of physical precision and aerial dynamics, won and lost upon the pendulum of your swing. Brush up on your golf physics with today’s Groupon: for $35, you get a computer-analyzed 30-minute golf lesson from GolfTEC ($85 value).

GolfTEC's thirteen locations in the Los Angeles area, all staffed by experienced golfing professionals and computers who’ve sworn allegiance to the Three Laws of golfing robotics. Motion sensors and high-speed cameras monitor your swing and break down your form on a high-definition video display. GolfTEC’s certified teaching professionals point out your flaws, strengths, and coach you on how to permanently improve your game, from tee to green. Sensors chirp with approval when you’ve executed a perfect stroke or cracked an especially witty golfing joke.

Let GolfTEC help you chisel that much-envied golfer’s physique by finding your personal balance between technique, equipment, and physical conditioning. The union of man and golfing machine is finally perfected, and a new day of cybernetically enhanced sporting has dawned.