PongSats are table tennis balls lifted by high altitude balloons into the upper atmosphere or fired in sounding rockets. Each ball contains a student experiment.

There are plenty of ideas for PongSats, including comparing the growth of plants grown from seeds flown to the edge of space in near vacuum with seeds cultivated on terra firma.

In another experiment, a university student had a PongSat outfitted with a digital camera’s flash RAM card. By studying the flipping of zeros and ones in the memory card, the unit served as an ultra-light, inexpensive, and highly accurate cosmic ray counter.

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