On this week's episode of 99% Invisible:

Winning an early pinball game was much more about luck than skill, since there were no buttons to activate flippers on the sides. You basically had one action: pull the plunger and watch the ball go. Without the flippers, pinball was a truly a game of chance—perfect for gambling.

Friday at 7:45am & 4:45pm, Saturday at 8:35am.

Angela Johnston

Ellen Frankel slips the last of her quarters into the Medieval Madness pinball machine and wipes the sweat off her forehead. It’s her second game of the night, and she’s trying to get a new high score. Although she is shy to admit it, Frankel is a real pinball wizard.

Katie Mingle, 99% Invisible

This week on KALW's showcase for the best stories from public radio podcasts and independent radio producers...

Eva Soncin

The Musée Mechanique at San Francisco's Pier 45 brings together two of the city’s greatest tourist draws: history and entertainment. It’s an arcade, with some of the oldest and most rare games in the industry.