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166
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Water Jet Pack: Jetlev
Posted 13 years ago by Mcnamara in category: technology   Comments (0)

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156
4
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Princeton invention delivers 3D sound from ordinary laptop speakers
Posted 12 years ago by techman in category: technology   Comments (0)

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160
12
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Physics and Biking
Clever invention - Bicycle that uses a flywheel to store energy
Posted 12 years ago by boyt in category: technology   Comments (1)

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162
15
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Fletcher automated Capstan Table
Posted 12 years ago by techman in category: technology   Comments (2)

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152
5
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Bicycle Powered Tree House Elevator
Posted 10 years ago by libbygrobinson in category: technology   Comments (0)