Pit and Pendulum

Pit and Pendulum

120 points (Points accrued: 0)
Item #: PIT-100
Out of Stock
We're sorry. This item is no longer available.

Replacement Sand for Pit and Pendulum

22 points (Points accrued: 0)
Item #: PIT-105
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This pendulum is mesmerizing to watch as it traces beautiful Lissajous patterns in sand. A favorite of elementary school science tables, it can be used at upper levels to study harmonic motion as energy is transferred from a pendulum swinging in one plane to swinging in another plane at right angles. A Lissajous figure results from the two sine curves meeting at right angles. 21" tall!

Note: The pendulum is sold out, but we still have replacement sand available. Perfect for zen gardens, your science table, and much more!