Cecil Powell, 4, giggled with glee this week as he put pieces of felt into a wind tube at the new Tinker Lab at the Powerhouse Science Center and watched them float to the ceiling. The Tinker Lab ...
Popsicle sticks, masking tape, rulers, straws and plastic spoons. That’s all a dozen Tatnall School third- and fourth-graders needed last month to craft catapults as part of a new initiative to draw ...
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